CVE-2026-99221

{"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. 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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/keys/trusted-keys/trusted_tpm1.c"], "versions": [{"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "4876f09ce222e140a73aad950882b3605440c935", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "2d92a0f87c338a08367aff05edd1ade86da4ac8d", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "234d09bb3b3d84851d4b3246272addc30f3353eb", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "6e359d8cb8580b9874801dea930086effd4d9c62", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "e55d48f21f591a9fe80d26b5fbd1912ea725d9e6", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "63b19ec2863b2cb5279b746ecd3d6210b1a93945", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "ed697a5f667435bbb1cedbe5bd9f300de645047d", "status": "affected", "versionType": "git"}, {"version": "5d0682be318910e028bdf57c90a1695ffc34be37", "lessThan": "f92d0ccb05bf9089072cb067dda0dffd5394c4ef", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/keys/trusted-keys/trusted_tpm1.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.161", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.115", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.60", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.14", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3.1", "lessThanOrEqual": "7.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.4-rc1", "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": "5.13", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.161"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.115"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.60"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.2.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.3.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.4-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4876f09ce222e140a73aad950882b3605440c935"}, {"url": "https://git.kernel.org/stable/c/2d92a0f87c338a08367aff05edd1ade86da4ac8d"}, {"url": "https://git.kernel.org/stable/c/234d09bb3b3d84851d4b3246272addc30f3353eb"}, {"url": "https://git.kernel.org/stable/c/6e359d8cb8580b9874801dea930086effd4d9c62"}, {"url": "https://git.kernel.org/stable/c/e55d48f21f591a9fe80d26b5fbd1912ea725d9e6"}, {"url": "https://git.kernel.org/stable/c/63b19ec2863b2cb5279b746ecd3d6210b1a93945"}, {"url": "https://git.kernel.org/stable/c/ed697a5f667435bbb1cedbe5bd9f300de645047d"}, {"url": "https://git.kernel.org/stable/c/f92d0ccb05bf9089072cb067dda0dffd5394c4ef"}], "title": "keys/trusted_keys: return immediately after TPM unseal failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"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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"[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", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,63b19ec2863b2cb5279b746ecd3d6210b1a93945)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5d0682be318910e028bdf57c90a1695ffc34be37,ed697a5f667435bbb1cedbe5bd9f300de645047d)"}}], "enrichment": 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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"]}