{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68724","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T10:30:51.027Z","datePublished":"2025-12-24T10:33:08.932Z","dateUpdated":"2026-05-11T21:52:06.966Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:52:06.966Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id\n\nUse check_add_overflow() to guard against potential integer overflows\nwhen adding the binary blob lengths and the size of an asymmetric_key_id\nstructure and return ERR_PTR(-EOVERFLOW) accordingly. This prevents a\npossible buffer overflow when copying data from potentially malicious\nX.509 certificate fields that can be arbitrarily large, such as ASN.1\nINTEGER serial numbers, issuer names, etc."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/asymmetric_keys/asymmetric_type.c"],"versions":[{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"60a7be5ee74408147e439164ac067e418ca74bb4","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"c13c6e9de91d7f1dd7df756b1fa5a1f968839d76","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"dfc1613961828745165aec6552c3818fa14ab725","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"c73be4f51eed98fa0c7c189db8f279e1c86bfbf7","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"6af753ac5205115e6c310c8c4236c01b59a1c44f","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"b7090a5c153105b9fd221a5a81459ee8cd5babd6","status":"affected","versionType":"git"},{"version":"7901c1a8effbe5f89673bfc09d6e37b8f334f1a7","lessThan":"df0845cf447ae1556c3440b8b155de0926cbaa56","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/asymmetric_keys/asymmetric_type.c"],"versions":[{"version":"3.18","status":"affected"},{"version":"0","lessThan":"3.18","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":"6.12.63","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.13","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18.2","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":"3.18","versionEndExcluding":"5.10.248"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.15.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.1.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.12.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.17.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/60a7be5ee74408147e439164ac067e418ca74bb4"},{"url":"https://git.kernel.org/stable/c/c13c6e9de91d7f1dd7df756b1fa5a1f968839d76"},{"url":"https://git.kernel.org/stable/c/dfc1613961828745165aec6552c3818fa14ab725"},{"url":"https://git.kernel.org/stable/c/5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c"},{"url":"https://git.kernel.org/stable/c/c73be4f51eed98fa0c7c189db8f279e1c86bfbf7"},{"url":"https://git.kernel.org/stable/c/6af753ac5205115e6c310c8c4236c01b59a1c44f"},{"url":"https://git.kernel.org/stable/c/b7090a5c153105b9fd221a5a81459ee8cd5babd6"},{"url":"https://git.kernel.org/stable/c/df0845cf447ae1556c3440b8b155de0926cbaa56"}],"title":"crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id","x_generator":{"engine":"bippy-1.2.0"}}}}