cve-2024-56542
Vulnerability from cvelistv5
Published
2024-12-27 14:11
Modified
2025-01-20 06:22
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix a memleak issue when driver is removed Running "modprobe amdgpu" the second time (followed by a modprobe -r amdgpu) causes a call trace like: [ 845.212163] Memory manager not clean during takedown. [ 845.212170] WARNING: CPU: 4 PID: 2481 at drivers/gpu/drm/drm_mm.c:999 drm_mm_takedown+0x2b/0x40 [ 845.212177] Modules linked in: amdgpu(OE-) amddrm_ttm_helper(OE) amddrm_buddy(OE) amdxcp(OE) amd_sched(OE) drm_exec drm_suballoc_helper drm_display_helper i2c_algo_bit amdttm(OE) amdkcl(OE) cec rc_core sunrpc qrtr intel_rapl_msr intel_rapl_common snd_hda_codec_hdmi edac_mce_amd snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec snd_usbmidi_lib kvm_amd snd_hda_core snd_ump mc snd_hwdep kvm snd_pcm snd_seq_midi snd_seq_midi_event irqbypass crct10dif_pclmul snd_rawmidi polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_seq aesni_intel crypto_simd snd_seq_device cryptd snd_timer mfd_aaeon asus_nb_wmi eeepc_wmi joydev asus_wmi snd ledtrig_audio sparse_keymap ccp wmi_bmof input_leds k10temp i2c_piix4 platform_profile rapl soundcore gpio_amdpt mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci xhci_pci igc crc32_pclmul libahci xhci_pci_renesas video [ 845.212284] wmi [last unloaded: amddrm_ttm_helper(OE)] [ 845.212290] CPU: 4 PID: 2481 Comm: modprobe Tainted: G W OE 6.8.0-31-generic #31-Ubuntu [ 845.212296] RIP: 0010:drm_mm_takedown+0x2b/0x40 [ 845.212300] Code: 1f 44 00 00 48 8b 47 38 48 83 c7 38 48 39 f8 75 09 31 c0 31 ff e9 90 2e 86 00 55 48 c7 c7 d0 f6 8e 8a 48 89 e5 e8 f5 db 45 ff <0f> 0b 5d 31 c0 31 ff e9 74 2e 86 00 66 0f 1f 84 00 00 00 00 00 90 [ 845.212302] RSP: 0018:ffffb11302127ae0 EFLAGS: 00010246 [ 845.212305] RAX: 0000000000000000 RBX: ffff92aa5020fc08 RCX: 0000000000000000 [ 845.212307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 845.212309] RBP: ffffb11302127ae0 R08: 0000000000000000 R09: 0000000000000000 [ 845.212310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 845.212312] R13: ffff92aa50200000 R14: ffff92aa5020fb10 R15: ffff92aa5020faa0 [ 845.212313] FS: 0000707dd7c7c080(0000) GS:ffff92b93de00000(0000) knlGS:0000000000000000 [ 845.212316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 845.212318] CR2: 00007d48b0aee200 CR3: 0000000115a58000 CR4: 0000000000f50ef0 [ 845.212320] PKRU: 55555554 [ 845.212321] Call Trace: [ 845.212323] <TASK> [ 845.212328] ? show_regs+0x6d/0x80 [ 845.212333] ? __warn+0x89/0x160 [ 845.212339] ? drm_mm_takedown+0x2b/0x40 [ 845.212344] ? report_bug+0x17e/0x1b0 [ 845.212350] ? handle_bug+0x51/0xa0 [ 845.212355] ? exc_invalid_op+0x18/0x80 [ 845.212359] ? asm_exc_invalid_op+0x1b/0x20 [ 845.212366] ? drm_mm_takedown+0x2b/0x40 [ 845.212371] amdgpu_gtt_mgr_fini+0xa9/0x130 [amdgpu] [ 845.212645] amdgpu_ttm_fini+0x264/0x340 [amdgpu] [ 845.212770] amdgpu_bo_fini+0x2e/0xc0 [amdgpu] [ 845.212894] gmc_v12_0_sw_fini+0x2a/0x40 [amdgpu] [ 845.213036] amdgpu_device_fini_sw+0x11a/0x590 [amdgpu] [ 845.213159] amdgpu_driver_release_kms+0x16/0x40 [amdgpu] [ 845.213302] devm_drm_dev_init_release+0x5e/0x90 [ 845.213305] devm_action_release+0x12/0x30 [ 845.213308] release_nodes+0x42/0xd0 [ 845.213311] devres_release_all+0x97/0xe0 [ 845.213314] device_unbind_cleanup+0x12/0x80 [ 845.213317] device_release_driver_internal+0x230/0x270 [ 845.213319] ? srso_alias_return_thunk+0x5/0xfbef5 This is caused by lost memory during early init phase. First time driver is removed, memory is freed but when second time the driver is inserted, VBIOS dmub is not active, since the PSP policy is to retain the driver loaded version on subsequent warm boots. Hence, communication with VBIOS DMUB fails. Fix this by aborting further comm ---truncated---
Impacted products
Vendor Product Version
Linux Linux Version: 43ebd0faec24652cb529ceefd594c61897059f90
Version: f59549c7e705be0087d08bc116ccc767b86d8362
Version: f59549c7e705be0087d08bc116ccc767b86d8362
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   Linux Linux Version: 6.12
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c",
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h",
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e51cbe40b77a32e8698ad8b9582e5b4fce6da364",
              "status": "affected",
              "version": "43ebd0faec24652cb529ceefd594c61897059f90",
              "versionType": "git"
            },
            {
              "lessThan": "5860c637513036a6ffc130950ea98676b591b47c",
              "status": "affected",
              "version": "f59549c7e705be0087d08bc116ccc767b86d8362",
              "versionType": "git"
            },
            {
              "lessThan": "d4f36e5fd800de7db74c1c4e62baf24a091a5ff6",
              "status": "affected",
              "version": "f59549c7e705be0087d08bc116ccc767b86d8362",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c",
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h",
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix a memleak issue when driver is removed\n\nRunning \"modprobe amdgpu\" the second time (followed by a modprobe -r\namdgpu) causes a call trace like:\n\n[  845.212163] Memory manager not clean during takedown.\n[  845.212170] WARNING: CPU: 4 PID: 2481 at drivers/gpu/drm/drm_mm.c:999 drm_mm_takedown+0x2b/0x40\n[  845.212177] Modules linked in: amdgpu(OE-) amddrm_ttm_helper(OE) amddrm_buddy(OE) amdxcp(OE) amd_sched(OE) drm_exec drm_suballoc_helper drm_display_helper i2c_algo_bit amdttm(OE) amdkcl(OE) cec rc_core sunrpc qrtr intel_rapl_msr intel_rapl_common snd_hda_codec_hdmi edac_mce_amd snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec snd_usbmidi_lib kvm_amd snd_hda_core snd_ump mc snd_hwdep kvm snd_pcm snd_seq_midi snd_seq_midi_event irqbypass crct10dif_pclmul snd_rawmidi polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_seq aesni_intel crypto_simd snd_seq_device cryptd snd_timer mfd_aaeon asus_nb_wmi eeepc_wmi joydev asus_wmi snd ledtrig_audio sparse_keymap ccp wmi_bmof input_leds k10temp i2c_piix4 platform_profile rapl soundcore gpio_amdpt mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci xhci_pci igc crc32_pclmul libahci xhci_pci_renesas video\n[  845.212284]  wmi [last unloaded: amddrm_ttm_helper(OE)]\n[  845.212290] CPU: 4 PID: 2481 Comm: modprobe Tainted: G        W  OE      6.8.0-31-generic #31-Ubuntu\n[  845.212296] RIP: 0010:drm_mm_takedown+0x2b/0x40\n[  845.212300] Code: 1f 44 00 00 48 8b 47 38 48 83 c7 38 48 39 f8 75 09 31 c0 31 ff e9 90 2e 86 00 55 48 c7 c7 d0 f6 8e 8a 48 89 e5 e8 f5 db 45 ff \u003c0f\u003e 0b 5d 31 c0 31 ff e9 74 2e 86 00 66 0f 1f 84 00 00 00 00 00 90\n[  845.212302] RSP: 0018:ffffb11302127ae0 EFLAGS: 00010246\n[  845.212305] RAX: 0000000000000000 RBX: ffff92aa5020fc08 RCX: 0000000000000000\n[  845.212307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n[  845.212309] RBP: ffffb11302127ae0 R08: 0000000000000000 R09: 0000000000000000\n[  845.212310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004\n[  845.212312] R13: ffff92aa50200000 R14: ffff92aa5020fb10 R15: ffff92aa5020faa0\n[  845.212313] FS:  0000707dd7c7c080(0000) GS:ffff92b93de00000(0000) knlGS:0000000000000000\n[  845.212316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  845.212318] CR2: 00007d48b0aee200 CR3: 0000000115a58000 CR4: 0000000000f50ef0\n[  845.212320] PKRU: 55555554\n[  845.212321] Call Trace:\n[  845.212323]  \u003cTASK\u003e\n[  845.212328]  ? show_regs+0x6d/0x80\n[  845.212333]  ? __warn+0x89/0x160\n[  845.212339]  ? drm_mm_takedown+0x2b/0x40\n[  845.212344]  ? report_bug+0x17e/0x1b0\n[  845.212350]  ? handle_bug+0x51/0xa0\n[  845.212355]  ? exc_invalid_op+0x18/0x80\n[  845.212359]  ? asm_exc_invalid_op+0x1b/0x20\n[  845.212366]  ? drm_mm_takedown+0x2b/0x40\n[  845.212371]  amdgpu_gtt_mgr_fini+0xa9/0x130 [amdgpu]\n[  845.212645]  amdgpu_ttm_fini+0x264/0x340 [amdgpu]\n[  845.212770]  amdgpu_bo_fini+0x2e/0xc0 [amdgpu]\n[  845.212894]  gmc_v12_0_sw_fini+0x2a/0x40 [amdgpu]\n[  845.213036]  amdgpu_device_fini_sw+0x11a/0x590 [amdgpu]\n[  845.213159]  amdgpu_driver_release_kms+0x16/0x40 [amdgpu]\n[  845.213302]  devm_drm_dev_init_release+0x5e/0x90\n[  845.213305]  devm_action_release+0x12/0x30\n[  845.213308]  release_nodes+0x42/0xd0\n[  845.213311]  devres_release_all+0x97/0xe0\n[  845.213314]  device_unbind_cleanup+0x12/0x80\n[  845.213317]  device_release_driver_internal+0x230/0x270\n[  845.213319]  ? srso_alias_return_thunk+0x5/0xfbef5\n\nThis is caused by lost memory during early init phase. First time driver\nis removed, memory is freed but when second time the driver is inserted,\nVBIOS dmub is not active, since the PSP policy is to retain the driver\nloaded version on subsequent warm boots. Hence, communication with VBIOS\nDMUB fails.\n\nFix this by aborting further comm\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-20T06:22:34.313Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e51cbe40b77a32e8698ad8b9582e5b4fce6da364"
        },
        {
          "url": "https://git.kernel.org/stable/c/5860c637513036a6ffc130950ea98676b591b47c"
        },
        {
          "url": "https://git.kernel.org/stable/c/d4f36e5fd800de7db74c1c4e62baf24a091a5ff6"
        }
      ],
      "title": "drm/amd/display: fix a memleak issue when driver is removed",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56542",
    "datePublished": "2024-12-27T14:11:24.149Z",
    "dateReserved": "2024-12-27T14:03:05.988Z",
    "dateUpdated": "2025-01-20T06:22:34.313Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56542\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T14:15:33.880\",\"lastModified\":\"2025-01-14T15:48:07.303\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: fix a memleak issue when driver is removed\\n\\nRunning \\\"modprobe amdgpu\\\" the second time (followed by a modprobe -r\\namdgpu) causes a call trace like:\\n\\n[  845.212163] Memory manager not clean during takedown.\\n[  845.212170] WARNING: CPU: 4 PID: 2481 at drivers/gpu/drm/drm_mm.c:999 drm_mm_takedown+0x2b/0x40\\n[  845.212177] Modules linked in: amdgpu(OE-) amddrm_ttm_helper(OE) amddrm_buddy(OE) amdxcp(OE) amd_sched(OE) drm_exec drm_suballoc_helper drm_display_helper i2c_algo_bit amdttm(OE) amdkcl(OE) cec rc_core sunrpc qrtr intel_rapl_msr intel_rapl_common snd_hda_codec_hdmi edac_mce_amd snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec snd_usbmidi_lib kvm_amd snd_hda_core snd_ump mc snd_hwdep kvm snd_pcm snd_seq_midi snd_seq_midi_event irqbypass crct10dif_pclmul snd_rawmidi polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_seq aesni_intel crypto_simd snd_seq_device cryptd snd_timer mfd_aaeon asus_nb_wmi eeepc_wmi joydev asus_wmi snd ledtrig_audio sparse_keymap ccp wmi_bmof input_leds k10temp i2c_piix4 platform_profile rapl soundcore gpio_amdpt mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci xhci_pci igc crc32_pclmul libahci xhci_pci_renesas video\\n[  845.212284]  wmi [last unloaded: amddrm_ttm_helper(OE)]\\n[  845.212290] CPU: 4 PID: 2481 Comm: modprobe Tainted: G        W  OE      6.8.0-31-generic #31-Ubuntu\\n[  845.212296] RIP: 0010:drm_mm_takedown+0x2b/0x40\\n[  845.212300] Code: 1f 44 00 00 48 8b 47 38 48 83 c7 38 48 39 f8 75 09 31 c0 31 ff e9 90 2e 86 00 55 48 c7 c7 d0 f6 8e 8a 48 89 e5 e8 f5 db 45 ff \u003c0f\u003e 0b 5d 31 c0 31 ff e9 74 2e 86 00 66 0f 1f 84 00 00 00 00 00 90\\n[  845.212302] RSP: 0018:ffffb11302127ae0 EFLAGS: 00010246\\n[  845.212305] RAX: 0000000000000000 RBX: ffff92aa5020fc08 RCX: 0000000000000000\\n[  845.212307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\n[  845.212309] RBP: ffffb11302127ae0 R08: 0000000000000000 R09: 0000000000000000\\n[  845.212310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004\\n[  845.212312] R13: ffff92aa50200000 R14: ffff92aa5020fb10 R15: ffff92aa5020faa0\\n[  845.212313] FS:  0000707dd7c7c080(0000) GS:ffff92b93de00000(0000) knlGS:0000000000000000\\n[  845.212316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[  845.212318] CR2: 00007d48b0aee200 CR3: 0000000115a58000 CR4: 0000000000f50ef0\\n[  845.212320] PKRU: 55555554\\n[  845.212321] Call Trace:\\n[  845.212323]  \u003cTASK\u003e\\n[  845.212328]  ? show_regs+0x6d/0x80\\n[  845.212333]  ? __warn+0x89/0x160\\n[  845.212339]  ? drm_mm_takedown+0x2b/0x40\\n[  845.212344]  ? report_bug+0x17e/0x1b0\\n[  845.212350]  ? handle_bug+0x51/0xa0\\n[  845.212355]  ? exc_invalid_op+0x18/0x80\\n[  845.212359]  ? asm_exc_invalid_op+0x1b/0x20\\n[  845.212366]  ? drm_mm_takedown+0x2b/0x40\\n[  845.212371]  amdgpu_gtt_mgr_fini+0xa9/0x130 [amdgpu]\\n[  845.212645]  amdgpu_ttm_fini+0x264/0x340 [amdgpu]\\n[  845.212770]  amdgpu_bo_fini+0x2e/0xc0 [amdgpu]\\n[  845.212894]  gmc_v12_0_sw_fini+0x2a/0x40 [amdgpu]\\n[  845.213036]  amdgpu_device_fini_sw+0x11a/0x590 [amdgpu]\\n[  845.213159]  amdgpu_driver_release_kms+0x16/0x40 [amdgpu]\\n[  845.213302]  devm_drm_dev_init_release+0x5e/0x90\\n[  845.213305]  devm_action_release+0x12/0x30\\n[  845.213308]  release_nodes+0x42/0xd0\\n[  845.213311]  devres_release_all+0x97/0xe0\\n[  845.213314]  device_unbind_cleanup+0x12/0x80\\n[  845.213317]  device_release_driver_internal+0x230/0x270\\n[  845.213319]  ? srso_alias_return_thunk+0x5/0xfbef5\\n\\nThis is caused by lost memory during early init phase. First time driver\\nis removed, memory is freed but when second time the driver is inserted,\\nVBIOS dmub is not active, since the PSP policy is to retain the driver\\nloaded version on subsequent warm boots. Hence, communication with VBIOS\\nDMUB fails.\\n\\nFix this by aborting further comm\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige un problema de p\u00e9rdida de memoria cuando se elimina el controlador. Ejecutar \\\"modprobe amdgpu\\\" por segunda vez (seguido de modprobe -r amdgpu) provoca un seguimiento de llamada como: [845.212163] El administrador de memoria no est\u00e1 limpio durante la eliminaci\u00f3n. [ 845.212170] ADVERTENCIA: CPU: 4 PID: 2481 en drivers/gpu/drm/drm_mm.c:999 drm_mm_takedown+0x2b/0x40 [ 845.212177] M\u00f3dulos vinculados en: amdgpu(OE-) amddrm_ttm_helper(OE) amddrm_buddy(OE) amdxcp(OE) amd_sched(OE) drm_exec drm_suballoc_helper drm_display_helper i2c_algo_bit amdttm(OE) amdkcl(OE) cec rc_core sunrpc qrtr intel_rapl_msr intel_rapl_common snd_hda_codec_hdmi edac_mce_amd snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio snd_hda_codec snd_usbmidi_lib kvm_amd snd_hda_core snd_ump mc snd_hwdep kvm snd_pcm snd_seq_midi snd_seq_midi_event irqbypass crct10dif_pclmul snd_rawmidi polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_seq aesni_intel crypto_simd snd_seq_device cryptd snd_timer mfd_aaeon asus_nb_wmi eeepc_wmi joydev asus_wmi snd ledtrig_audio mapa de teclas dispersas ccp wmi_bmof leds de entrada k10temp i2c_piix4 perfil de plataforma rapl soundcore gpio_amdpt mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs tablas_ip tablas_x autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci xhci_pci igc crc32_pclmul libahci xhci_pci_renesas video [ 845.212284] wmi [\u00faltima descarga: amddrm_ttm_helper(OE)] [ 845.212290] CPU: 4 PID: 2481 Comm: modprobe Contaminado: GW OE 6.8.0-31-generic #31-Ubuntu [ 845.212296] RIP: 0010:drm_mm_takedown+0x2b/0x40 [ 845.212300] C\u00f3digo: 1f 44 00 00 48 8b 47 38 48 83 c7 38 48 39 f8 75 09 31 c0 31 ff e9 90 2e 86 00 55 48 c7 c7 d0 f6 8e 8a 48 89 e5 e8 f5 db 45 ff \u0026lt;0f\u0026gt; 0b 5d 31 c0 31 ff e9 74 2e 86 00 66 0f 1f 84 00 00 00 00 00 90 [ 845.212302] RSP: 0018:ffffb11302127ae0 EFLAGS: 00010246 [ 845.212305] RAX: 0000000000000000 RBX: ffff92aa5020fc08 RCX: 00000000000000000 [ 845.212307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 845.212309] RBP: ffffb11302127ae0 R08: 0000000000000000 R09: 00000000000000000 [ 845.212310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 845.212312] R13: ffff92aa50200000 R14: ffff92aa5020fb10 R15: ffff92aa5020faa0 [ 845.212313] FS: 0000707dd7c7c080(0000) GS:ffff92b93de00000(0000) knlGS:0000000000000000 [ 845.212316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 845.212318] CR2: 00007d48b0aee200 CR3: 0000000115a58000 CR4: 0000000000f50ef0 [ 845.212320] PKRU: 55555554 [ 845.212321] Rastreo de llamadas: [ 845.212323]  [ 845.212328] ? show_regs+0x6d/0x80 [ 845.212333] ? __warn+0x89/0x160 [ 845.212339] ? drm_mm_takedown+0x2b/0x40 [ 845.212344] ? report_bug+0x17e/0x1b0 [ 845.212350] ? handle_bug+0x51/0xa0 [ 845.212355] ? exc_invalid_op+0x18/0x80 [ 845.212359] ? asm_exc_invalid_op+0x1b/0x20 [ 845.212366] ? drm_mm_takedown+0x2b/0x40 [845.212371] amdgpu_gtt_mgr_fini+0xa9/0x130 [amdgpu] [845.212645] amdgpu_ttm_fini+0x264/0x340 [amdgpu] [845.212770] amdgpu_bo_fini+0x2e/0xc0 [amdgpu] [845.212894] gmc_v12_0_sw_fini+0x2a/0x40 [amdgpu] [845.213036] amdgpu_device_fini_sw+0x11a/0x590 [amdgpu] [845.213159] es: amdgpu_driver_release_kms+0x16/0x40 [amdgpu] [ 845.213302] devm_drm_dev_init_release+0x5e/0x90 [ 845.213305] devm_action_release+0x12/0x30 [ 845.213308] release_nodes+0x42/0xd0 [ 845.213311] devres_release_all+0x97/0xe0 [ 845.213314] device_unbind_cleanup+0x12/0x80 [ 845.213317] device_release_driver_internal+0x230/0x270 [ 845.213319] ? srso_alias_return_thunk+0x5/0xfbef5 Esto se debe a la p\u00e9rdida de memoria durante la fase inicial. La primera vez que se elimina el controlador, se libera memoria, pero cuando se inserta el controlador por segunda vez, el dmub de VBIOS no est\u00e1 activo, ya que la pol\u00edtica de PSP es retener la versi\u00f3n cargada del controlador en los arranques en caliente posteriores.---truncated---\"}],\"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\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11.2\",\"versionEndExcluding\":\"6.11.11\",\"matchCriteriaId\":\"1304DE5B-7FD1-4DC5-9CE4-7460CDB29C78\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.2\",\"matchCriteriaId\":\"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5860c637513036a6ffc130950ea98676b591b47c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d4f36e5fd800de7db74c1c4e62baf24a091a5ff6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e51cbe40b77a32e8698ad8b9582e5b4fce6da364\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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