cve-2024-50037
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2024-12-19 09:31
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/fbdev-dma: Only cleanup deferred I/O if necessary Commit 5a498d4d06d6 ("drm/fbdev-dma: Only install deferred I/O if necessary") initializes deferred I/O only if it is used. drm_fbdev_dma_fb_destroy() however calls fb_deferred_io_cleanup() unconditionally with struct fb_info.fbdefio == NULL. KASAN with the out-of-tree Apple silicon display driver posts following warning from __flush_work() of a random struct work_struct instead of the expected NULL pointer derefs. [ 22.053799] ------------[ cut here ]------------ [ 22.054832] WARNING: CPU: 2 PID: 1 at kernel/workqueue.c:4177 __flush_work+0x4d8/0x580 [ 22.056597] Modules linked in: uhid bnep uinput nls_ascii ip6_tables ip_tables i2c_dev loop fuse dm_multipath nfnetlink zram hid_magicmouse btrfs xor xor_neon brcmfmac_wcc raid6_pq hci_bcm4377 bluetooth brcmfmac hid_apple brcmutil nvmem_spmi_mfd simple_mfd_spmi dockchannel_hid cfg80211 joydev regmap_spmi nvme_apple ecdh_generic ecc macsmc_hid rfkill dwc3 appledrm snd_soc_macaudio macsmc_power nvme_core apple_isp phy_apple_atc apple_sart apple_rtkit_helper apple_dockchannel tps6598x macsmc_hwmon snd_soc_cs42l84 videobuf2_v4l2 spmi_apple_controller nvmem_apple_efuses videobuf2_dma_sg apple_z2 videobuf2_memops spi_nor panel_summit videobuf2_common asahi videodev pwm_apple apple_dcp snd_soc_apple_mca apple_admac spi_apple clk_apple_nco i2c_pasemi_platform snd_pcm_dmaengine mc i2c_pasemi_core mux_core ofpart adpdrm drm_dma_helper apple_dart apple_soc_cpufreq leds_pwm phram [ 22.073768] CPU: 2 UID: 0 PID: 1 Comm: systemd-shutdow Not tainted 6.11.2-asahi+ #asahi-dev [ 22.075612] Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT) [ 22.077032] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 22.078567] pc : __flush_work+0x4d8/0x580 [ 22.079471] lr : __flush_work+0x54/0x580 [ 22.080345] sp : ffffc000836ef820 [ 22.081089] x29: ffffc000836ef880 x28: 0000000000000000 x27: ffff80002ddb7128 [ 22.082678] x26: dfffc00000000000 x25: 1ffff000096f0c57 x24: ffffc00082d3e358 [ 22.084263] x23: ffff80004b7862b8 x22: dfffc00000000000 x21: ffff80005aa1d470 [ 22.085855] x20: ffff80004b786000 x19: ffff80004b7862a0 x18: 0000000000000000 [ 22.087439] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000005 [ 22.089030] x14: 1ffff800106ddf0a x13: 0000000000000000 x12: 0000000000000000 [ 22.090618] x11: ffffb800106ddf0f x10: dfffc00000000000 x9 : 1ffff800106ddf0e [ 22.092206] x8 : 0000000000000000 x7 : aaaaaaaaaaaaaaaa x6 : 0000000000000001 [ 22.093790] x5 : ffffc000836ef728 x4 : 0000000000000000 x3 : 0000000000000020 [ 22.095368] x2 : 0000000000000008 x1 : 00000000000000aa x0 : 0000000000000000 [ 22.096955] Call trace: [ 22.097505] __flush_work+0x4d8/0x580 [ 22.098330] flush_delayed_work+0x80/0xb8 [ 22.099231] fb_deferred_io_cleanup+0x3c/0x130 [ 22.100217] drm_fbdev_dma_fb_destroy+0x6c/0xe0 [drm_dma_helper] [ 22.101559] unregister_framebuffer+0x210/0x2f0 [ 22.102575] drm_fb_helper_unregister_info+0x48/0x60 [ 22.103683] drm_fbdev_dma_client_unregister+0x4c/0x80 [drm_dma_helper] [ 22.105147] drm_client_dev_unregister+0x1cc/0x230 [ 22.106217] drm_dev_unregister+0x58/0x570 [ 22.107125] apple_drm_unbind+0x50/0x98 [appledrm] [ 22.108199] component_del+0x1f8/0x3a8 [ 22.109042] dcp_platform_shutdown+0x24/0x38 [apple_dcp] [ 22.110357] platform_shutdown+0x70/0x90 [ 22.111219] device_shutdown+0x368/0x4d8 [ 22.112095] kernel_restart+0x6c/0x1d0 [ 22.112946] __arm64_sys_reboot+0x1c8/0x328 [ 22.113868] invoke_syscall+0x78/0x1a8 [ 22.114703] do_el0_svc+0x124/0x1a0 [ 22.115498] el0_svc+0x3c/0xe0 [ 22.116181] el0t_64_sync_handler+0x70/0xc0 [ 22.117110] el0t_64_sync+0x190/0x198 [ 22.117931] ---[ end trace 0000000000000000 ]---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a4a8ea14c54c651ec532a480bd560d0c6e52f3dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fcddc71ec7ecf15b4df3c41288c9cf0b8e886111Patch
Impacted products
Vendor Product Version
Linux Linux Version: 5a498d4d06d6d9bad76d8a50a7f8fe01670ad46f
Version: 5a498d4d06d6d9bad76d8a50a7f8fe01670ad46f
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   Linux Linux Version: 6.11
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-50037",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T13:25:17.714484Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-22T13:28:44.766Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/drm_fbdev_dma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5a4a8ea14c54c651ec532a480bd560d0c6e52f3d",
              "status": "affected",
              "version": "5a498d4d06d6d9bad76d8a50a7f8fe01670ad46f",
              "versionType": "git"
            },
            {
              "lessThan": "fcddc71ec7ecf15b4df3c41288c9cf0b8e886111",
              "status": "affected",
              "version": "5a498d4d06d6d9bad76d8a50a7f8fe01670ad46f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/drm_fbdev_dma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/fbdev-dma: Only cleanup deferred I/O if necessary\n\nCommit 5a498d4d06d6 (\"drm/fbdev-dma: Only install deferred I/O if\nnecessary\") initializes deferred I/O only if it is used.\ndrm_fbdev_dma_fb_destroy() however calls fb_deferred_io_cleanup()\nunconditionally with struct fb_info.fbdefio == NULL. KASAN with the\nout-of-tree Apple silicon display driver posts following warning from\n__flush_work() of a random struct work_struct instead of the expected\nNULL pointer derefs.\n\n[   22.053799] ------------[ cut here ]------------\n[   22.054832] WARNING: CPU: 2 PID: 1 at kernel/workqueue.c:4177 __flush_work+0x4d8/0x580\n[   22.056597] Modules linked in: uhid bnep uinput nls_ascii ip6_tables ip_tables i2c_dev loop fuse dm_multipath nfnetlink zram hid_magicmouse btrfs xor xor_neon brcmfmac_wcc raid6_pq hci_bcm4377 bluetooth brcmfmac hid_apple brcmutil nvmem_spmi_mfd simple_mfd_spmi dockchannel_hid cfg80211 joydev regmap_spmi nvme_apple ecdh_generic ecc macsmc_hid rfkill dwc3 appledrm snd_soc_macaudio macsmc_power nvme_core apple_isp phy_apple_atc apple_sart apple_rtkit_helper apple_dockchannel tps6598x macsmc_hwmon snd_soc_cs42l84 videobuf2_v4l2 spmi_apple_controller nvmem_apple_efuses videobuf2_dma_sg apple_z2 videobuf2_memops spi_nor panel_summit videobuf2_common asahi videodev pwm_apple apple_dcp snd_soc_apple_mca apple_admac spi_apple clk_apple_nco i2c_pasemi_platform snd_pcm_dmaengine mc i2c_pasemi_core mux_core ofpart adpdrm drm_dma_helper apple_dart apple_soc_cpufreq leds_pwm phram\n[   22.073768] CPU: 2 UID: 0 PID: 1 Comm: systemd-shutdow Not tainted 6.11.2-asahi+ #asahi-dev\n[   22.075612] Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)\n[   22.077032] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[   22.078567] pc : __flush_work+0x4d8/0x580\n[   22.079471] lr : __flush_work+0x54/0x580\n[   22.080345] sp : ffffc000836ef820\n[   22.081089] x29: ffffc000836ef880 x28: 0000000000000000 x27: ffff80002ddb7128\n[   22.082678] x26: dfffc00000000000 x25: 1ffff000096f0c57 x24: ffffc00082d3e358\n[   22.084263] x23: ffff80004b7862b8 x22: dfffc00000000000 x21: ffff80005aa1d470\n[   22.085855] x20: ffff80004b786000 x19: ffff80004b7862a0 x18: 0000000000000000\n[   22.087439] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000005\n[   22.089030] x14: 1ffff800106ddf0a x13: 0000000000000000 x12: 0000000000000000\n[   22.090618] x11: ffffb800106ddf0f x10: dfffc00000000000 x9 : 1ffff800106ddf0e\n[   22.092206] x8 : 0000000000000000 x7 : aaaaaaaaaaaaaaaa x6 : 0000000000000001\n[   22.093790] x5 : ffffc000836ef728 x4 : 0000000000000000 x3 : 0000000000000020\n[   22.095368] x2 : 0000000000000008 x1 : 00000000000000aa x0 : 0000000000000000\n[   22.096955] Call trace:\n[   22.097505]  __flush_work+0x4d8/0x580\n[   22.098330]  flush_delayed_work+0x80/0xb8\n[   22.099231]  fb_deferred_io_cleanup+0x3c/0x130\n[   22.100217]  drm_fbdev_dma_fb_destroy+0x6c/0xe0 [drm_dma_helper]\n[   22.101559]  unregister_framebuffer+0x210/0x2f0\n[   22.102575]  drm_fb_helper_unregister_info+0x48/0x60\n[   22.103683]  drm_fbdev_dma_client_unregister+0x4c/0x80 [drm_dma_helper]\n[   22.105147]  drm_client_dev_unregister+0x1cc/0x230\n[   22.106217]  drm_dev_unregister+0x58/0x570\n[   22.107125]  apple_drm_unbind+0x50/0x98 [appledrm]\n[   22.108199]  component_del+0x1f8/0x3a8\n[   22.109042]  dcp_platform_shutdown+0x24/0x38 [apple_dcp]\n[   22.110357]  platform_shutdown+0x70/0x90\n[   22.111219]  device_shutdown+0x368/0x4d8\n[   22.112095]  kernel_restart+0x6c/0x1d0\n[   22.112946]  __arm64_sys_reboot+0x1c8/0x328\n[   22.113868]  invoke_syscall+0x78/0x1a8\n[   22.114703]  do_el0_svc+0x124/0x1a0\n[   22.115498]  el0_svc+0x3c/0xe0\n[   22.116181]  el0t_64_sync_handler+0x70/0xc0\n[   22.117110]  el0t_64_sync+0x190/0x198\n[   22.117931] ---[ end trace 0000000000000000 ]---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:31:51.157Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5a4a8ea14c54c651ec532a480bd560d0c6e52f3d"
        },
        {
          "url": "https://git.kernel.org/stable/c/fcddc71ec7ecf15b4df3c41288c9cf0b8e886111"
        }
      ],
      "title": "drm/fbdev-dma: Only cleanup deferred I/O if necessary",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50037",
    "datePublished": "2024-10-21T19:39:37.787Z",
    "dateReserved": "2024-10-21T12:17:06.070Z",
    "dateUpdated": "2024-12-19T09:31:51.157Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50037\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T20:15:16.790\",\"lastModified\":\"2024-10-25T15:43:07.520\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/fbdev-dma: Only cleanup deferred I/O if necessary\\n\\nCommit 5a498d4d06d6 (\\\"drm/fbdev-dma: Only install deferred I/O if\\nnecessary\\\") initializes deferred I/O only if it is used.\\ndrm_fbdev_dma_fb_destroy() however calls fb_deferred_io_cleanup()\\nunconditionally with struct fb_info.fbdefio == NULL. KASAN with the\\nout-of-tree Apple silicon display driver posts following warning from\\n__flush_work() of a random struct work_struct instead of the expected\\nNULL pointer derefs.\\n\\n[   22.053799] ------------[ cut here ]------------\\n[   22.054832] WARNING: CPU: 2 PID: 1 at kernel/workqueue.c:4177 __flush_work+0x4d8/0x580\\n[   22.056597] Modules linked in: uhid bnep uinput nls_ascii ip6_tables ip_tables i2c_dev loop fuse dm_multipath nfnetlink zram hid_magicmouse btrfs xor xor_neon brcmfmac_wcc raid6_pq hci_bcm4377 bluetooth brcmfmac hid_apple brcmutil nvmem_spmi_mfd simple_mfd_spmi dockchannel_hid cfg80211 joydev regmap_spmi nvme_apple ecdh_generic ecc macsmc_hid rfkill dwc3 appledrm snd_soc_macaudio macsmc_power nvme_core apple_isp phy_apple_atc apple_sart apple_rtkit_helper apple_dockchannel tps6598x macsmc_hwmon snd_soc_cs42l84 videobuf2_v4l2 spmi_apple_controller nvmem_apple_efuses videobuf2_dma_sg apple_z2 videobuf2_memops spi_nor panel_summit videobuf2_common asahi videodev pwm_apple apple_dcp snd_soc_apple_mca apple_admac spi_apple clk_apple_nco i2c_pasemi_platform snd_pcm_dmaengine mc i2c_pasemi_core mux_core ofpart adpdrm drm_dma_helper apple_dart apple_soc_cpufreq leds_pwm phram\\n[   22.073768] CPU: 2 UID: 0 PID: 1 Comm: systemd-shutdow Not tainted 6.11.2-asahi+ #asahi-dev\\n[   22.075612] Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)\\n[   22.077032] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\\n[   22.078567] pc : __flush_work+0x4d8/0x580\\n[   22.079471] lr : __flush_work+0x54/0x580\\n[   22.080345] sp : ffffc000836ef820\\n[   22.081089] x29: ffffc000836ef880 x28: 0000000000000000 x27: ffff80002ddb7128\\n[   22.082678] x26: dfffc00000000000 x25: 1ffff000096f0c57 x24: ffffc00082d3e358\\n[   22.084263] x23: ffff80004b7862b8 x22: dfffc00000000000 x21: ffff80005aa1d470\\n[   22.085855] x20: ffff80004b786000 x19: ffff80004b7862a0 x18: 0000000000000000\\n[   22.087439] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000005\\n[   22.089030] x14: 1ffff800106ddf0a x13: 0000000000000000 x12: 0000000000000000\\n[   22.090618] x11: ffffb800106ddf0f x10: dfffc00000000000 x9 : 1ffff800106ddf0e\\n[   22.092206] x8 : 0000000000000000 x7 : aaaaaaaaaaaaaaaa x6 : 0000000000000001\\n[   22.093790] x5 : ffffc000836ef728 x4 : 0000000000000000 x3 : 0000000000000020\\n[   22.095368] x2 : 0000000000000008 x1 : 00000000000000aa x0 : 0000000000000000\\n[   22.096955] Call trace:\\n[   22.097505]  __flush_work+0x4d8/0x580\\n[   22.098330]  flush_delayed_work+0x80/0xb8\\n[   22.099231]  fb_deferred_io_cleanup+0x3c/0x130\\n[   22.100217]  drm_fbdev_dma_fb_destroy+0x6c/0xe0 [drm_dma_helper]\\n[   22.101559]  unregister_framebuffer+0x210/0x2f0\\n[   22.102575]  drm_fb_helper_unregister_info+0x48/0x60\\n[   22.103683]  drm_fbdev_dma_client_unregister+0x4c/0x80 [drm_dma_helper]\\n[   22.105147]  drm_client_dev_unregister+0x1cc/0x230\\n[   22.106217]  drm_dev_unregister+0x58/0x570\\n[   22.107125]  apple_drm_unbind+0x50/0x98 [appledrm]\\n[   22.108199]  component_del+0x1f8/0x3a8\\n[   22.109042]  dcp_platform_shutdown+0x24/0x38 [apple_dcp]\\n[   22.110357]  platform_shutdown+0x70/0x90\\n[   22.111219]  device_shutdown+0x368/0x4d8\\n[   22.112095]  kernel_restart+0x6c/0x1d0\\n[   22.112946]  __arm64_sys_reboot+0x1c8/0x328\\n[   22.113868]  invoke_syscall+0x78/0x1a8\\n[   22.114703]  do_el0_svc+0x124/0x1a0\\n[   22.115498]  el0_svc+0x3c/0xe0\\n[   22.116181]  el0t_64_sync_handler+0x70/0xc0\\n[   22.117110]  el0t_64_sync+0x190/0x198\\n[   22.117931] ---[ end trace 0000000000000000 ]---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/fbdev-dma: Solo limpiar la E/S diferida si es necesario el commit 5a498d4d06d6 (\\\"drm/fbdev-dma: Solo instalar la E/S diferida si es necesario\\\") inicializa la E/S diferida solo si se usa. Sin embargo, drm_fbdev_dma_fb_destroy() llama a fb_deferred_io_cleanup() incondicionalmente con struct fb_info.fbdefio == NULL. KASAN con el controlador de pantalla de silicio de Apple fuera del \u00e1rbol publica la siguiente advertencia de __flush_work() de una estructura aleatoria work_struct en lugar de las derefs de puntero NULL esperadas. [ 22.053799] ------------[ cortar aqu\u00ed ]------------ [ 22.054832] ADVERTENCIA: CPU: 2 PID: 1 en kernel/workqueue.c:4177 __flush_work+0x4d8/0x580 [ 22.056597] M\u00f3dulos vinculados en: uhid bnep uinput nls_ascii ip6_tables ip_tables i2c_dev loop fuse dm_multipath nfnetlink zram hid_magicmouse btrfs xor xor_neon brcmfmac_wcc raid6_pq hci_bcm4377 bluetooth brcmfmac hid_apple brcmutil nvmem_spmi_mfd simple_mfd_spmi dockchannel_hid cfg80211 joydev regmap_spmi nvme_apple ecdh_generic ecc macsmc_hid rfkill dwc3 appledrm snd_soc_macaudio macsmc_power nvme_core apple_isp phy_apple_atc apple_sart apple_rtkit_helper apple_dockchannel tps6598x macsmc_hwmon snd_soc_cs42l84 videobuf2_v4l2 spmi_apple_controller nvmem_apple_efuses videobuf2_dma_sg apple_z2 videobuf2_memops spi_nor panel_summit videobuf2_common asahi videodev pwm_apple apple_dcp snd_soc_apple_mca apple_admac spi_apple clk_apple_nco i2c_pasemi_platform snd_pcm_dmaengine mc i2c_pasemi_core mux_core ofpart adpdrm drm_dma_helper apple_dart apple_soc_cpufreq leds_pwm phram [ 22.073768] CPU: 2 UID: 0 PID: 1 Comm: systemd-shutdow No contaminado 6.11.2-asahi+ #asahi-dev [ 22.075612] Nombre del hardware: Apple MacBook Pro (13 pulgadas, M2, 2022) (DT) [ 22.077032] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 22.078567] pc : __flush_work+0x4d8/0x580 [ 22.079471] lr : __flush_work+0x54/0x580 [ [22.080345] sp: ffffc000836ef820 [22.081089] x29: ffffc000836ef880 x28: 0000000000000000 x27: ffff80002ddb7128 [22.082678] x26: dfffc0000000000 x25: 1ffff000096f0c57 x24: ffffc00082d3e358 [22.084263] x23: ffff80004b7862b8 x22: dfffc0000000000 x21: ffff80005aa1d470 [22.085855] x20: ffff80004b786000 x19: ffff80004b7862a0 x18: 0000000000000000 [ 22.087439] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000005 [ 22.089030] x14: 1ffff800106ddf0a x13: 0000000000000000 x12: 0000000000000000 [ 22.090618] x11: ffffb800106ddf0f x10: dfffc00000000000 x9: 1ffff800106ddf0e [22.092206] x8: 0000000000000000 x7: aaaaaaaaaaaaaaaa x6: 0000000000000001 [22.093790] x5: 00836ef728 x4: 0000000000000000 x3: 0000000000000020 [22.095368] x2: 00000000000000008 x1: 00000000000000aa x0: 00000000000000000 [ 22.096955] Rastreo de llamadas: [ 22.097505] __flush_work+0x4d8/0x580 [ 22.098330] flush_delayed_work+0x80/0xb8 [ 22.099231] fb_deferred_io_cleanup+0x3c/0x130 [ 22.100217] drm_fbdev_dma_fb_destroy+0x6c/0xe0 [drm_dma_helper] [ 22.101559] anular registro de b\u00fafer de fotogramas+0x210/0x2f0 [ 22.102575] drm_fb_helper_anular registro de informaci\u00f3n+0x48/0x60 [ 22.103683] drm_fbdev_dma_client_unregister+0x4c/0x80 [drm_dma_helper] [ 22.105147] drm_client_dev_unregister+0x1cc/0x230 [ 22.106217] drm_dev_unregister+0x58/0x570 [ 22.107125] apple_drm_unbind+0x50/0x98 [appledrm] [ 22.108199] component_del+0x1f8/0x3a8 [ 22.109042] dcp_platform_shutdown+0x24/0x38 [apple_dcp] [ 22.110357] platform_shutdown+0x70/0x90 [ 22.111219] apagado_dispositivo+0x368/0x4d8 [ 22.112095] reinicio_kernel+0x6c/0x1d0 [ 22.112946] reinicio_del_sistema_arm64+0x1c8/0x328 [ 22.113868] invocar_llamada_al_sistema+0x78/0x1a8 [ 22.114703] hacer_el0_svc+0x124/0x1a0 [ 22.115498] el0_svc+0x3c/0xe0 [ 22.116181] controlador_sincronizaci\u00f3n_el0t_64+0x70/0xc0 [ 22.117110] el0t_64_sync+0x190/0x198 [ 22.117931] ---[ fin de seguimiento 0000000000000000 ]---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.4\",\"matchCriteriaId\":\"66F99BD9-E74F-4CC8-834E-B73BD4643C7B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5a4a8ea14c54c651ec532a480bd560d0c6e52f3d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fcddc71ec7ecf15b4df3c41288c9cf0b8e886111\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50037\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:25:17.714484Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:25:20.840Z\"}}], \"cna\": {\"title\": \"drm/fbdev-dma: Only cleanup deferred I/O if necessary\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5a498d4d06d6\", \"lessThan\": \"5a4a8ea14c54\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5a498d4d06d6\", \"lessThan\": \"fcddc71ec7ec\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/drm_fbdev_dma.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.11\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.11\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.11.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12-rc3\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/drm_fbdev_dma.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5a4a8ea14c54c651ec532a480bd560d0c6e52f3d\"}, {\"url\": \"https://git.kernel.org/stable/c/fcddc71ec7ecf15b4df3c41288c9cf0b8e886111\"}], \"x_generator\": {\"engine\": \"bippy-9e1c9544281a\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/fbdev-dma: Only cleanup deferred I/O if necessary\\n\\nCommit 5a498d4d06d6 (\\\"drm/fbdev-dma: Only install deferred I/O if\\nnecessary\\\") initializes deferred I/O only if it is used.\\ndrm_fbdev_dma_fb_destroy() however calls fb_deferred_io_cleanup()\\nunconditionally with struct fb_info.fbdefio == NULL. KASAN with the\\nout-of-tree Apple silicon display driver posts following warning from\\n__flush_work() of a random struct work_struct instead of the expected\\nNULL pointer derefs.\\n\\n[   22.053799] ------------[ cut here ]------------\\n[   22.054832] WARNING: CPU: 2 PID: 1 at kernel/workqueue.c:4177 __flush_work+0x4d8/0x580\\n[   22.056597] Modules linked in: uhid bnep uinput nls_ascii ip6_tables ip_tables i2c_dev loop fuse dm_multipath nfnetlink zram hid_magicmouse btrfs xor xor_neon brcmfmac_wcc raid6_pq hci_bcm4377 bluetooth brcmfmac hid_apple brcmutil nvmem_spmi_mfd simple_mfd_spmi dockchannel_hid cfg80211 joydev regmap_spmi nvme_apple ecdh_generic ecc macsmc_hid rfkill dwc3 appledrm snd_soc_macaudio macsmc_power nvme_core apple_isp phy_apple_atc apple_sart apple_rtkit_helper apple_dockchannel tps6598x macsmc_hwmon snd_soc_cs42l84 videobuf2_v4l2 spmi_apple_controller nvmem_apple_efuses videobuf2_dma_sg apple_z2 videobuf2_memops spi_nor panel_summit videobuf2_common asahi videodev pwm_apple apple_dcp snd_soc_apple_mca apple_admac spi_apple clk_apple_nco i2c_pasemi_platform snd_pcm_dmaengine mc i2c_pasemi_core mux_core ofpart adpdrm drm_dma_helper apple_dart apple_soc_cpufreq leds_pwm phram\\n[   22.073768] CPU: 2 UID: 0 PID: 1 Comm: systemd-shutdow Not tainted 6.11.2-asahi+ #asahi-dev\\n[   22.075612] Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)\\n[   22.077032] pstate: 01400005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\\n[   22.078567] pc : __flush_work+0x4d8/0x580\\n[   22.079471] lr : __flush_work+0x54/0x580\\n[   22.080345] sp : ffffc000836ef820\\n[   22.081089] x29: ffffc000836ef880 x28: 0000000000000000 x27: ffff80002ddb7128\\n[   22.082678] x26: dfffc00000000000 x25: 1ffff000096f0c57 x24: ffffc00082d3e358\\n[   22.084263] x23: ffff80004b7862b8 x22: dfffc00000000000 x21: ffff80005aa1d470\\n[   22.085855] x20: ffff80004b786000 x19: ffff80004b7862a0 x18: 0000000000000000\\n[   22.087439] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000005\\n[   22.089030] x14: 1ffff800106ddf0a x13: 0000000000000000 x12: 0000000000000000\\n[   22.090618] x11: ffffb800106ddf0f x10: dfffc00000000000 x9 : 1ffff800106ddf0e\\n[   22.092206] x8 : 0000000000000000 x7 : aaaaaaaaaaaaaaaa x6 : 0000000000000001\\n[   22.093790] x5 : ffffc000836ef728 x4 : 0000000000000000 x3 : 0000000000000020\\n[   22.095368] x2 : 0000000000000008 x1 : 00000000000000aa x0 : 0000000000000000\\n[   22.096955] Call trace:\\n[   22.097505]  __flush_work+0x4d8/0x580\\n[   22.098330]  flush_delayed_work+0x80/0xb8\\n[   22.099231]  fb_deferred_io_cleanup+0x3c/0x130\\n[   22.100217]  drm_fbdev_dma_fb_destroy+0x6c/0xe0 [drm_dma_helper]\\n[   22.101559]  unregister_framebuffer+0x210/0x2f0\\n[   22.102575]  drm_fb_helper_unregister_info+0x48/0x60\\n[   22.103683]  drm_fbdev_dma_client_unregister+0x4c/0x80 [drm_dma_helper]\\n[   22.105147]  drm_client_dev_unregister+0x1cc/0x230\\n[   22.106217]  drm_dev_unregister+0x58/0x570\\n[   22.107125]  apple_drm_unbind+0x50/0x98 [appledrm]\\n[   22.108199]  component_del+0x1f8/0x3a8\\n[   22.109042]  dcp_platform_shutdown+0x24/0x38 [apple_dcp]\\n[   22.110357]  platform_shutdown+0x70/0x90\\n[   22.111219]  device_shutdown+0x368/0x4d8\\n[   22.112095]  kernel_restart+0x6c/0x1d0\\n[   22.112946]  __arm64_sys_reboot+0x1c8/0x328\\n[   22.113868]  invoke_syscall+0x78/0x1a8\\n[   22.114703]  do_el0_svc+0x124/0x1a0\\n[   22.115498]  el0_svc+0x3c/0xe0\\n[   22.116181]  el0t_64_sync_handler+0x70/0xc0\\n[   22.117110]  el0t_64_sync+0x190/0x198\\n[   22.117931] ---[ end trace 0000000000000000 ]---\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-05T09:53:56.342Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50037\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-05T09:53:56.342Z\", \"dateReserved\": \"2024-10-21T12:17:06.070Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T19:39:37.787Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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