CVE-2024-38615 cpufreq: exit() callback is optional

2024-06-1913:56:15

Linux

github.com

linux

kernel

vulnerability

resolved

cpufreq

exit callback

optional

pointer

freq table

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

cpufreq: exit() callback is optional

The exit() callback is optional and shouldn’t be called without checking
a valid pointer first.

Also, we must clear freq_table pointer even if the exit() callback isn’t
present.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "2d730b465e37",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "dfc56ff5ec99",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "35db5e76d5e9",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "8bc9546805e5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "3e99f060cfd2",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "ae37ebca3250",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "a8204d1b6ff7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "91a12e91dc39",
        "lessThan": "b8f85833c057",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/cpufreq/cpufreq.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.1"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.1",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "5.4.278",
        "versionType": "custom",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.219",
        "versionType": "custom",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.161",
        "versionType": "custom",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.93",
        "versionType": "custom",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.33",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.12",
        "versionType": "custom",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9.3",
        "versionType": "custom",
        "lessThanOrEqual": "6.9.*"
      },
      {
        "status": "unaffected",
        "version": "6.10-rc1",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/cpufreq/cpufreq.c"
    ],
    "defaultStatus": "affected"
  }
]