CVE-2024-43871 devres: Fix memory leakage caused by driver API devm_free_percpu()

2024-08-2100:06:22

Linux

www.cve.org

linux kernel

memory leakage

driver api

vulnerability fix

devres

devm_free_percpu

devm_alloc_percpu

devres_release

EPSS

Percentile

5.1%

JSON

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

devres: Fix memory leakage caused by driver API devm_free_percpu()

It will cause memory leakage when use driver API devm_free_percpu()
to free memory allocated by devm_alloc_percpu(), fixed by using
devres_release() instead of devres_destroy() within devm_free_percpu().

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/base/devres.c"
    ],
    "versions": [
      {
        "version": "ff86aae3b411",
        "lessThan": "700e8abd65b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "b044588a16a9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "ef56dcdca8f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "3047f99caec2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "3dcd0673e476",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "b67552d7c61f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "95065edb8ebb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff86aae3b411",
        "lessThan": "bd50a974097b",
        "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/base/devres.c"
    ],
    "versions": [
      {
        "version": "4.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.10",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.320",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.282",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.224",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.165",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.103",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.44",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.3",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]