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CVE-2026-80709 s390/zcrypt: Fix wrong domain value verification with EP11 CPRBs

🗓️ 28 Aug 2026 06:53:09Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Out-of-bounds heap access in Linux kernel s390/zcrypt EP11 CPRB domain value verification.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/crypto/zcrypt_api.c"
    ],
    "versions": [
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "4589f742718d0256ea6dd1f5a78be6e689bdb8aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "b505dcc8307d64468b463dfad45a03bf865c637e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "13e53d6ae1c3b2ff1be75b9ef09be26f4ec3ce15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "672b12940e3f1336dfed5287412a71500adf2a76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "1223477ca88e2396eca440919d0ca8754df79bd5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "983279d7f86ade73db86f886e09172dd567031b5",
        "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/s390/crypto/zcrypt_api.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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29 Aug 2026 06:22Current
CVSS 3.17.8
EPSS0.00176
43