{"id":"CVE-2025-71077","revision":"3b22a17f53c1499c883d93884ccf8909","records":[{"revision":"3b22a17f53c1499c883d93884ccf8909","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-71077","aliases":[],"title":"tpm: Cap the number of PCR banks","description":"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.","state":0,"publishedAt":"2026-01-13T15:31:29.435+00:00","modifiedAt":"2026-10-19T18:15:10.933+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/char/tpm/tpm-chip.c\",\n                        \"drivers/char/tpm/tpm1-cmd.c\",\n                        \"drivers/char/tpm/tpm2-cmd.c\",\n                        \"include/linux/tpm.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"8ceee7288152bc121a6bf92997261838c78bfe06\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"275c686f1e3cc056ec66c764489ec1fe1e51b950\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"ceb70d31da5671d298bad94ae6c20e4bbb800f96\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"d88481653d74d622d1d0d2c9bad845fc2cc6fd23\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"b69492161c056d36789aee42a87a33c18c8ed5e1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"858344bc9210bea9ab2bdc7e9e331ba84c164e50\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bcfff8384f6c4e6627676ef07ccad9cfacd67849\",\n                            \"lessThan\": \"faf07e611dfa464b201223a7253e9dc5ee0f3c9e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/char/tpm/tpm-chip.c\",\n                        \"drivers/char/tpm/tpm1-cmd.c\",\n                        \"drivers/char/tpm/tpm2-cmd.c\",\n                        \"include/linux/tpm.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.248\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.198\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.160\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.120\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.64\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.3\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06","https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950","https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96","https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23","https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1","https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50","https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71077","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-71077","identifiers":["CVE-2025-71077"]},"retained":false,"historicalAffected":[]}],"coverage":[]}