{"id":"CVE-2026-97591","state":"PUBLISHED","title":"s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine\n\nWhen a request is transferred to the engine via\ncrypto_transfer_hash_request_to_engine() there are two return codes\nsignaling a successful transfer: EINPROGRESS and EBUSY. However the\ncorrect handling of EBUSY was missing and has been added as a return\ncode indicating a successful transfer to the crypto engine.","publishedAt":"2026-09-25T10:22:08.694Z","updatedAt":"2026-10-19T09:09:55.087Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cbbc675506cc4cd93e6f895e7c1f693156f9a95c","status":"affected","lessThan":"203702f0013f9b7324e8c5facb6cd6e9c0942b13","versionType":"git"},{"version":"cbbc675506cc4cd93e6f895e7c1f693156f9a95c","status":"affected","lessThan":"bcd7f1f1e2f2882ad206f72425255be105178151","versionType":"git"},{"version":"cbbc675506cc4cd93e6f895e7c1f693156f9a95c","status":"affected","lessThan":"330148371401de474b656eaf521861f12ec1a1ce","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/crypto/phmac_s390.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/crypto/phmac_s390.c"]}],"references":["https://git.kernel.org/stable/c/203702f0013f9b7324e8c5facb6cd6e9c0942b13","https://git.kernel.org/stable/c/bcd7f1f1e2f2882ad206f72425255be105178151","https://git.kernel.org/stable/c/330148371401de474b656eaf521861f12ec1a1ce"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97591.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97591","state":"PUBLISHED","datePublished":"2026-09-25T10:22:08.694Z","dateUpdated":"2026-10-19T09:09:55.087Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.157Z"},"containers":{"cna":{"title":"s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine\n\nWhen a request is transferred to the engine via\ncrypto_transfer_hash_request_to_engine() there are two return codes\nsignaling a successful transfer: EINPROGRESS and EBUSY. However the\ncorrect handling of EBUSY was missing and has been added as a return\ncode indicating a successful transfer to the crypto engine."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cbbc675506cc4cd93e6f895e7c1f693156f9a95c","status":"affected","lessThan":"203702f0013f9b7324e8c5facb6cd6e9c0942b13","versionType":"git"},{"version":"cbbc675506cc4cd93e6f895e7c1f693156f9a95c","status":"affected","lessThan":"bcd7f1f1e2f2882ad206f72425255be105178151","versionType":"git"},{"version":"cbbc675506cc4cd93e6f895e7c1f693156f9a95c","status":"affected","lessThan":"330148371401de474b656eaf521861f12ec1a1ce","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/crypto/phmac_s390.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/crypto/phmac_s390.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/203702f0013f9b7324e8c5facb6cd6e9c0942b13"},{"url":"https://git.kernel.org/stable/c/bcd7f1f1e2f2882ad206f72425255be105178151"},{"url":"https://git.kernel.org/stable/c/330148371401de474b656eaf521861f12ec1a1ce"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:09:55.087Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}