CVE-2024-36967 KEYS: trusted: Fix memory leak in tpm2_key_encode()

2024-06-0812:52:59

Linux

github.com

linux kernel

cve-2024-36967

keys: trusted

fix memory leak

tpm2_key_encode

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

JSON

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

KEYS: trusted: Fix memory leak in tpm2_key_encode()

‘scratch’ is never freed. Fix this by calling kfree() in the success, and
in the error case.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "f2219745250f",
        "lessThan": "1e6914fa8e77",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2219745250f",
        "lessThan": "5d91238b590b",
        "versionType": "git"
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      {
        "status": "affected",
        "version": "f2219745250f",
        "lessThan": "e62835264d03",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2219745250f",
        "lessThan": "189c768932d4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2219745250f",
        "lessThan": "cf26a92f560e",
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      },
      {
        "status": "affected",
        "version": "f2219745250f",
        "lessThan": "ffcaa2172cc1",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "security/keys/trusted-keys/trusted_tpm2.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.13"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.13",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "5.15.160",
        "versionType": "custom",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.92",
        "versionType": "custom",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.32",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.11",
        "versionType": "custom",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9.2",
        "versionType": "custom",
        "lessThanOrEqual": "6.9.*"
      },
      {
        "status": "unaffected",
        "version": "6.10-rc1",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "security/keys/trusted-keys/trusted_tpm2.c"
    ],
    "defaultStatus": "affected"
  }
]