{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99221", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.401Z", "datePublished": "2026-11-02T16:06:32.409Z", "dateUpdated": "2026-11-03T19:12:55.574Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-11-03T19:12:55.574Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkeys/trusted_keys: return immediately after TPM unseal failure\n\ntrusted_tpm_unseal() proceeds to pcrlock() when the TPM unseal operation\nfails. 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["security/keys/trusted-keys/trusted_tpm1.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4876f09ce222e140a73aad950882b3605440c935", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "2d92a0f87c338a08367aff05edd1ade86da4ac8d", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "234d09bb3b3d84851d4b3246272addc30f3353eb", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "6e359d8cb8580b9874801dea930086effd4d9c62", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "e55d48f21f591a9fe80d26b5fbd1912ea725d9e6", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "63b19ec2863b2cb5279b746ecd3d6210b1a93945", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "ed697a5f667435bbb1cedbe5bd9f300de645047d", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}, {"lessThan": "f92d0ccb05bf9089072cb067dda0dffd5394c4ef", "status": "affected", "version": "5d0682be318910e028bdf57c90a1695ffc34be37", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["security/keys/trusted-keys/trusted_tpm1.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.161", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.115", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.60", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.14", "versionType": "semver"}, {"lessThanOrEqual": "7.3.*", "status": "unaffected", "version": "7.3.1", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.4-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkeys/trusted_keys: return immediately after TPM unseal failure\n\ntrusted_tpm_unseal() proceeds to pcrlock() when the TPM unseal operation\nfails. If pcrlock() succeeds, its return value overwrites the unseal error,\ncausing key instantiation to succeed.\n\nReturn immediately when unseal fails to preserve the original error."}], "id": "CVE-2026-99221", "lastModified": "2026-11-03T20:18:27.367", "metrics": {}, "published": "2026-11-02T16:17:46.293", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/234d09bb3b3d84851d4b3246272addc30f3353eb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2d92a0f87c338a08367aff05edd1ade86da4ac8d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4876f09ce222e140a73aad950882b3605440c935"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63b19ec2863b2cb5279b746ecd3d6210b1a93945"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e359d8cb8580b9874801dea930086effd4d9c62"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e55d48f21f591a9fe80d26b5fbd1912ea725d9e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed697a5f667435bbb1cedbe5bd9f300de645047d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f92d0ccb05bf9089072cb067dda0dffd5394c4ef"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: kernel: invalid trusted key instantiation via unhandled TPM unseal failure", "id": "2565256", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565256"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-393", "details": ["A flaw was found in the Linux kernel's trusted keys subsystem. During the process of unsealing a key using a Trusted Platform Module (TPM), the kernel fails to abort if the unseal operation fails, allowing a subsequent locking operation to overwrite the failure status with a success code. A local user could exploit this flaw to instantiate trusted keys despite unsealing failures, potentially bypassing security controls."], "name": "CVE-2026-99221", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:5", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-10", "product_name": "Red Hat OpenShift Container Platform 5"}, {"cpe": "cpe:/a:redhat:openshift:5", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 5"}], "public_date": "2026-11-02T16:06:32Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-99221\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-99221\nhttps://git.kernel.org/stable/c/234d09bb3b3d84851d4b3246272addc30f3353eb\nhttps://git.kernel.org/stable/c/2d92a0f87c338a08367aff05edd1ade86da4ac8d\nhttps://git.kernel.org/stable/c/4876f09ce222e140a73aad950882b3605440c935\nhttps://git.kernel.org/stable/c/63b19ec2863b2cb5279b746ecd3d6210b1a93945\nhttps://git.kernel.org/stable/c/6e359d8cb8580b9874801dea930086effd4d9c62\nhttps://git.kernel.org/stable/c/e55d48f21f591a9fe80d26b5fbd1912ea725d9e6\nhttps://git.kernel.org/stable/c/ed697a5f667435bbb1cedbe5bd9f300de645047d"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,4876f09ce222e140a73aad950882b3605440c935)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,2d92a0f87c338a08367aff05edd1ade86da4ac8d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,234d09bb3b3d84851d4b3246272addc30f3353eb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,6e359d8cb8580b9874801dea930086effd4d9c62)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,e55d48f21f591a9fe80d26b5fbd1912ea725d9e6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", 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"status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.14,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3.1,7.4.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-11-02T17:45:11.999365+00:00", "updated": "2026-11-04T16:15:15.248716+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"]}