CVE-2021-46985 ACPI: scan: Fix a memory leak in an error handling path

2024-02-2808:13:13

Linux

www.cve.org

linux kernel

vulnerability

acpi

memory leak

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

ACPI: scan: Fix a memory leak in an error handling path

If ‘acpi_device_set_name()’ fails, we must free
‘acpi_device_bus_id->bus_id’ or there is a (potential) memory leak.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/acpi/scan.c"
    ],
    "versions": [
      {
        "version": "e5cdbe419004",
        "lessThan": "6901a4f795e0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "717d9d88fbd9",
        "lessThan": "5ab9857dde7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7385e438e1f3",
        "lessThan": "69cc821e89ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bc0b1a2036dd",
        "lessThan": "dafd4c0b5e83",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4a5891992c68",
        "lessThan": "e2381174daea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "321dbe6c0b55",
        "lessThan": "c5c8f6ffc942",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb50aaf960e3",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb50aaf960e3",
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        "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/acpi/scan.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.269",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.233",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.191",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.120",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.38",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.11.22",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.5",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]