{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80709", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.787Z", "datePublished": "2026-08-28T06:53:09.439Z", "dateUpdated": "2026-08-28T06:53:09.439Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:53:09.439Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/zcrypt: Fix wrong domain value verification with EP11 CPRBs\n\nThere is a wrong upper limit check for the domain value when an EP11\nCPRB is processed for sending to a crypto card. This check is only\nactive on custom device nodes but may lead to access heap memory\nbehind perms->adm when an administrative CPRB is sent.\nAdd correct limit (AP_DOMAINS = 256) checking to fix this."}], "affected": [{"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"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4589f742718d0256ea6dd1f5a78be6e689bdb8aa"}, {"url": "https://git.kernel.org/stable/c/b505dcc8307d64468b463dfad45a03bf865c637e"}, {"url": "https://git.kernel.org/stable/c/13e53d6ae1c3b2ff1be75b9ef09be26f4ec3ce15"}, {"url": "https://git.kernel.org/stable/c/672b12940e3f1336dfed5287412a71500adf2a76"}, {"url": "https://git.kernel.org/stable/c/1223477ca88e2396eca440919d0ca8754df79bd5"}, {"url": "https://git.kernel.org/stable/c/983279d7f86ade73db86f886e09172dd567031b5"}], "title": "s390/zcrypt: Fix wrong domain value verification with EP11 CPRBs", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{}

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