{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71077", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:30:19.648Z", "datePublished": "2026-01-13T15:31:29.435Z", "dateUpdated": "2026-01-13T15:31:29.435Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-13T15:31:29.435Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Cap the number of PCR banks\n\ntpm2_get_pcr_allocation() does not cap any upper limit for the number of\nbanks. Cap the limit to eight banks so that out of bounds values coming\nfrom external I/O cause on only limited harm."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/tpm/tpm-chip.c", "drivers/char/tpm/tpm1-cmd.c", "drivers/char/tpm/tpm2-cmd.c", "include/linux/tpm.h"], "versions": [{"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849", "lessThan": "ceb70d31da5671d298bad94ae6c20e4bbb800f96", "status": "affected", "versionType": "git"}, {"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849", "lessThan": "d88481653d74d622d1d0d2c9bad845fc2cc6fd23", "status": "affected", "versionType": "git"}, {"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849", "lessThan": "b69492161c056d36789aee42a87a33c18c8ed5e1", "status": "affected", "versionType": "git"}, {"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849", "lessThan": "858344bc9210bea9ab2bdc7e9e331ba84c164e50", "status": "affected", "versionType": "git"}, {"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849", "lessThan": "faf07e611dfa464b201223a7253e9dc5ee0f3c9e", "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/tpm-chip.c", "drivers/char/tpm/tpm1-cmd.c", "drivers/char/tpm/tpm2-cmd.c", "include/linux/tpm.h"], "versions": [{"version": "5.1", "status": "affected"}, {"version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-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": "5.1", "versionEndExcluding": "6.1.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.19-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96"}, {"url": "https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23"}, {"url": "https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1"}, {"url": "https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50"}, {"url": "https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e"}], "title": "tpm: Cap the number of PCR banks", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Cap the number of PCR banks\n\ntpm2_get_pcr_allocation() does not cap any upper limit for the number of\nbanks. Cap the limit to eight banks so that out of bounds values coming\nfrom external I/O cause on only limited harm."}], "id": "CVE-2025-71077", "lastModified": "2026-01-13T16:16:07.200", "metrics": {}, "published": "2026-01-13T16:16:07.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}