CVE-2024-46779 drm/imagination: Free pvr_vm_gpuva after unlink

2024-09-1807:12:35

Linux

www.cve.org

linux kernel

vulnerability

memory leak

high-usage codepath

drm/imagination

EPSS

Percentile

9.6%

JSON

In the Linux kernel, the following vulnerability has been resolved:

drm/imagination: Free pvr_vm_gpuva after unlink

This caused a measurable memory leak. Although the individual
allocations are small, the leaks occurs in a high-usage codepath
(remapping or unmapping device memory) so they add up quickly.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/imagination/pvr_vm.c"
    ],
    "versions": [
      {
        "version": "ff5f643de0bf",
        "lessThan": "1cc695be8920",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff5f643de0bf",
        "lessThan": "3f6b2f60b463",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/imagination/pvr_vm.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.10",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]