CVE-2024-40997 cpufreq: amd-pstate: fix memory leak on CPU EPP exit

2024-07-1212:37:39

Linux

www.cve.org

cve-2024-40997

cpufreq

amd-pstate

memory leak

cpu epp exit

linux kernel

EPSS

Percentile

5.0%

JSON

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

cpufreq: amd-pstate: fix memory leak on CPU EPP exit

The cpudata memory from kzalloc() in amd_pstate_epp_cpu_init() is
not freed in the analogous exit function, so fix that.

[ rjw: Subject and changelog edits ]

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/cpufreq/amd-pstate.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "448efb7ea0bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "8015c17fe11a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "cea04f3d9aee",
        "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/cpufreq/amd-pstate.c"
    ],
    "versions": [
      {
        "version": "6.6.36",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9.7",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]