fkie_cve-2024-44982
Vulnerability from fkie_nvd
Published
2024-09-04 20:15
Modified
2024-10-10 17:09
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: cleanup FB if dpu_format_populate_layout fails If the dpu_format_populate_layout() fails, then FB is prepared, but not cleaned up. This ends up leaking the pin_count on the GEM object and causes a splat during DRM file closure: msm_obj->pin_count WARNING: CPU: 2 PID: 569 at drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc [...] Call trace: update_lru_locked+0xc4/0xcc put_pages+0xac/0x100 msm_gem_free_object+0x138/0x180 drm_gem_object_free+0x1c/0x30 drm_gem_object_handle_put_unlocked+0x108/0x10c drm_gem_object_release_handle+0x58/0x70 idr_for_each+0x68/0xec drm_gem_release+0x28/0x40 drm_file_free+0x174/0x234 drm_release+0xb0/0x160 __fput+0xc0/0x2c8 __fput_sync+0x50/0x5c __arm64_sys_close+0x38/0x7c invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x4c/0x120 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 irq event stamp: 129818 hardirqs last enabled at (129817): [<ffffa5f6d953fcc0>] console_unlock+0x118/0x124 hardirqs last disabled at (129818): [<ffffa5f6da7dcf04>] el1_dbg+0x24/0x8c softirqs last enabled at (129808): [<ffffa5f6d94afc18>] handle_softirqs+0x4c8/0x4e8 softirqs last disabled at (129785): [<ffffa5f6d94105e4>] __do_softirq+0x14/0x20 Patchwork: https://patchwork.freedesktop.org/patch/600714/
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/02193c70723118889281f75b88722b26b58bf4aePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7ecf85542169012765e4c2817cd3be6c2e009962Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b8b65211a880af8fe8330a101e1e239a2d4008fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a3c5815b07f4ee19d0b7e2ddf91ff9f03ecbf27dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfa1a6283be390947d3649c482e5167186a37016Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.11
linux linux_kernel 6.11
linux linux_kernel 6.11
linux linux_kernel 6.11


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: cleanup FB if dpu_format_populate_layout fails\n\nIf the dpu_format_populate_layout() fails, then FB is prepared, but not\ncleaned up. This ends up leaking the pin_count on the GEM object and\ncauses a splat during DRM file closure:\n\nmsm_obj-\u003epin_count\nWARNING: CPU: 2 PID: 569 at drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc\n[...]\nCall trace:\n update_lru_locked+0xc4/0xcc\n put_pages+0xac/0x100\n msm_gem_free_object+0x138/0x180\n drm_gem_object_free+0x1c/0x30\n drm_gem_object_handle_put_unlocked+0x108/0x10c\n drm_gem_object_release_handle+0x58/0x70\n idr_for_each+0x68/0xec\n drm_gem_release+0x28/0x40\n drm_file_free+0x174/0x234\n drm_release+0xb0/0x160\n __fput+0xc0/0x2c8\n __fput_sync+0x50/0x5c\n __arm64_sys_close+0x38/0x7c\n invoke_syscall+0x48/0x118\n el0_svc_common.constprop.0+0x40/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x4c/0x120\n el0t_64_sync_handler+0x100/0x12c\n el0t_64_sync+0x190/0x194\nirq event stamp: 129818\nhardirqs last  enabled at (129817): [\u003cffffa5f6d953fcc0\u003e] console_unlock+0x118/0x124\nhardirqs last disabled at (129818): [\u003cffffa5f6da7dcf04\u003e] el1_dbg+0x24/0x8c\nsoftirqs last  enabled at (129808): [\u003cffffa5f6d94afc18\u003e] handle_softirqs+0x4c8/0x4e8\nsoftirqs last disabled at (129785): [\u003cffffa5f6d94105e4\u003e] __do_softirq+0x14/0x20\n\nPatchwork: https://patchwork.freedesktop.org/patch/600714/"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/dpu: limpiar FB si dpu_format_populate_layout falla Si dpu_format_populate_layout() falla, entonces FB se prepara, pero no se limpia. Esto termina filtrando el pin_count en el objeto GEM y provoca un splat durante el cierre del archivo DRM: msm_obj-\u0026gt;pin_count ADVERTENCIA: CPU: 2 PID: 569 en drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc [...] Rastreo de llamadas: update_lru_locked+0xc4/0xcc put_pages+0xac/0x100 msm_gem_free_object+0x138/0x180 drm_gem_object_free+0x1c/0x30 drm_gem_object_handle_put_unlocked+0x108/0x10c drm_gem_object_release_handle+0x58/0x70 idr_for_each+0x68/0xec drm_gem_release+0x28/0x40 drm_file_free+0x174/0x234 drm_release+0xb0/0x160 __fput+0xc0/0x2c8 __fput_sync+0x50/0x5c __arm64_sys_close+0x38/0x7c anybody_syscall+0x48/0x118 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x4c/0x120 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 marca de evento irq: 129818 hardirqs habilitados por \u00faltima vez en (129817): [] console_unlock+0x118/0x124 hardirqs deshabilitados por \u00faltima vez en (129818): [] el1_dbg+0x24/0x8c softirqs habilitados por \u00faltima vez en (129808): [] handle_softirqs+0x4c8/0x4e8 softirqs deshabilitados por \u00faltima vez en (129785): [] __do_softirq+0x14/0x20 Patchwork: https://patchwork.freedesktop.org/patch/600714/"
    }
  ],
  "id": "CVE-2024-44982",
  "lastModified": "2024-10-10T17:09:54.350",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-09-04T20:15:07.593",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/02193c70723118889281f75b88722b26b58bf4ae"
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    {
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-459"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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