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CVE-2026-80924 crypto: krb5 - use kfree_sensitive() for derived key buffers

🗓️ 09 Sep 2026 16:19:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Linux kernel crypto krb5 leaks derived key material via kfree() instead of kfree_sensitive().

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "crypto/krb5/krb5_api.c"
    ],
    "versions": [
      {
        "version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
        "lessThan": "731a5b6fb4c1705f9405d9029dd64ea81e336207",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
        "lessThan": "91b96dc9cc250cd16751f53de525cf3442ca0962",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
        "lessThan": "a1bf79365794783b19f5b09e8a23f7ee311e8931",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3936f02bf2d3308a7359dd37dd96cd60603d8170",
        "lessThan": "f7d53dd3f267e46a784f219a75072f2f400d42b9",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "crypto/krb5/krb5_api.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.49",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.13",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.3",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 08:45Current
CVSS 3.17.5
EPSS0.00322
45