CVE-2021-47313

2024-05-2115:15:18

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

memleak

vulnerability

resolved

cppc

cpufreq

nvd

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.6%

JSON

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

cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init

It’s a classic example of memleak, we allocate something, we fail and
never free the resources.

Make sure we free all resources on policy ->init() failures.

Affected configurations

Vulners

Node

linuxlinux_kernelRange5.11–5.12.19

linuxlinux_kernelRange5.13.0–5.13.4

linuxlinux_kernelRange5.14.0≥

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/cpufreq/cppc_cpufreq.c"
    ],
    "versions": [
      {
        "version": "a28b2bfc099c",
        "lessThan": "b77538335575",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a28b2bfc099c",
        "lessThan": "e1b2b2b61d30",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a28b2bfc099c",
        "lessThan": "fe2535a44904",
        "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/cppc_cpufreq.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.19",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13.4",
        "lessThanOrEqual": "5.13.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]