CVE-2023-52461 drm/sched: Fix bounds limiting when given a malformed entity

2024-02-2314:46:22

Linux

www.cve.org

linux kernel

vulnerability

fix

drm/sched

malformed entity

bounds limit

AI Score

6.6

Confidence

Low

EPSS

Percentile

9.0%

JSON

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

drm/sched: Fix bounds limiting when given a malformed entity

If we’re given a malformed entity in drm_sched_entity_init()–shouldn’t
happen, but we verify–with out-of-bounds priority value, we set it to an
allowed value. Fix the expression which sets this limit.

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/scheduler/sched_entity.c"
    ],
    "versions": [
      {
        "version": "56e449603f0a",
        "lessThan": "1470d173925d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56e449603f0a",
        "lessThan": "2bbe6ab2be53",
        "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/scheduler/sched_entity.c"
    ],
    "versions": [
      {
        "version": "6.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.7",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.2",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]