{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45871", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.081Z", "datePublished": "2026-05-27T12:15:51.317Z", "dateUpdated": "2026-05-27T12:15:51.317Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:15:51.317Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: st33zp24: Fix missing cleanup on get_burstcount() error\n\nget_burstcount() can return -EBUSY on timeout. When this happens,\nst33zp24_send() returns directly without releasing the locality\nacquired earlier.\n\nUse goto out_err to ensure proper cleanup when get_burstcount() fails."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/tpm/st33zp24/st33zp24.c"], "versions": [{"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "e0ce3da82341fcd6194175f1837946b2a894c625", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "7687133509cf66ced120b667fefd21f80bf17993", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "1256c6dc96d1e687e6e9b63088156ed07411b00c", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "cc09d55f519e15355de343264a22ac6682b8305e", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "ec15eb67fe9df87981b4829b901ec254273ca483", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "4fffb77d35d038f146e6192da583dbe4971d869e", "status": "affected", "versionType": "git"}, {"version": "bf38b8710892333cec2d8069644eb36ff435fd6f", "lessThan": "3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9", "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/char/tpm/st33zp24/st33zp24.c"], "versions": [{"version": "4.1", "status": "affected"}, {"version": "0", "lessThan": "4.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "4.1", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e0ce3da82341fcd6194175f1837946b2a894c625"}, {"url": "https://git.kernel.org/stable/c/7687133509cf66ced120b667fefd21f80bf17993"}, {"url": "https://git.kernel.org/stable/c/1256c6dc96d1e687e6e9b63088156ed07411b00c"}, {"url": "https://git.kernel.org/stable/c/a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c"}, {"url": "https://git.kernel.org/stable/c/cc09d55f519e15355de343264a22ac6682b8305e"}, {"url": "https://git.kernel.org/stable/c/ec15eb67fe9df87981b4829b901ec254273ca483"}, {"url": "https://git.kernel.org/stable/c/4fffb77d35d038f146e6192da583dbe4971d869e"}, {"url": "https://git.kernel.org/stable/c/3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9"}], "title": "tpm: st33zp24: Fix missing cleanup on get_burstcount() error", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: st33zp24: Fix missing cleanup on get_burstcount() error\n\nget_burstcount() can return -EBUSY on timeout. When this happens,\nst33zp24_send() returns directly without releasing the locality\nacquired earlier.\n\nUse goto out_err to ensure proper cleanup when get_burstcount() fails."}], "id": "CVE-2026-45871", "lastModified": "2026-05-27T14:48:31.480", "metrics": {}, "published": "2026-05-27T14:17:00.543", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1256c6dc96d1e687e6e9b63088156ed07411b00c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4fffb77d35d038f146e6192da583dbe4971d869e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7687133509cf66ced120b667fefd21f80bf17993"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cc09d55f519e15355de343264a22ac6682b8305e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e0ce3da82341fcd6194175f1837946b2a894c625"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec15eb67fe9df87981b4829b901ec254273ca483"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: tpm: st33zp24: Fix missing cleanup on get_burstcount() error", "id": "2482041", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482041"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's Trusted Platform Module (TPM) subsystem. When the get_burstcount() function encounters an error, the st33zp24 driver fails to release a previously acquired resource. This oversight can lead to resource exhaustion, potentially allowing a local attacker to cause a Denial of Service (DoS) by making the TPM device unavailable."], "name": "CVE-2026-45871", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45871\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45871\nhttps://lore.kernel.org/linux-cve-announce/2026052713-CVE-2026-45871-f848@gregkh/T"], "threat_severity": "Low"}