CVE-2023-52788 i915/perf: Fix NULL deref bugs with drm_dbg() calls

2024-05-2115:31:04

Linux

www.cve.org

linux kernel

vulnerability

resolved

i915/perf

null dereference

drm_dbg()

-enotsupp

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

i915/perf: Fix NULL deref bugs with drm_dbg() calls

When i915 perf interface is not available dereferencing it will lead to
NULL dereferences.

As returning -ENOTSUPP is pretty clear return when perf interface is not
available.

[tursulin: added stable tag]
(cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)

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/i915/i915_perf.c"
    ],
    "versions": [
      {
        "version": "9b344cf6aea0",
        "lessThan": "1566e8be73fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fec539112e8",
        "lessThan": "55db76caa782",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fec539112e8",
        "lessThan": "bf8e10503008",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fec539112e8",
        "lessThan": "10f49cdfd5fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2fec539112e8",
        "lessThan": "471aa951bf12",
        "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/i915/i915_perf.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.140",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.64",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.5.13",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.3",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]