{"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":"2026-05-11T21:54:17.555Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:54:17.555Z"},"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":"8ceee7288152bc121a6bf92997261838c78bfe06","status":"affected","versionType":"git"},{"version":"bcfff8384f6c4e6627676ef07ccad9cfacd67849","lessThan":"275c686f1e3cc056ec66c764489ec1fe1e51b950","status":"affected","versionType":"git"},{"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":"5.10.248","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.198","lessThanOrEqual":"5.15.*","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","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":"5.10.248"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.15.198"},{"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"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06"},{"url":"https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950"},{"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"}}}}