CVE-2022-48831 ima: fix reference leak in asymmetric_verify()

2024-07-1611:44:14

Linux

www.cve.org

linux kernel

vulnerability

resolved

ima

reference leak

asymmetric_verify

algorithm

EPSS

Percentile

16.0%

JSON

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

ima: fix reference leak in asymmetric_verify()

Don’t leak a reference to the key if its algorithm is unknown.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/integrity/digsig_asymmetric.c"
    ],
    "versions": [
      {
        "version": "947d70597236",
        "lessThan": "0838d6d68182",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "947d70597236",
        "lessThan": "89f586d3398f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "947d70597236",
        "lessThan": "926fd9f23b27",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/integrity/digsig_asymmetric.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.24",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16.10",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]