{"id":"CVE-2026-93161","state":"PUBLISHED","title":"crypto: qat - clear AES key schedule from stack","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - clear AES key schedule from stack\n\nqat_alg_xts_reverse_key() expands the forward XTS AES key on the stack.\nThat schedule contains key material and can remain in the stack frame.\n\nClear the temporary crypto_aes_ctx with memzero_explicit() after the copy.","publishedAt":"2026-09-17T16:11:55.212Z","updatedAt":"2026-10-19T09:06:33.265Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"b9cf42622b30178f554fa74411eec67e02d70411","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"fb1194b78a163cc56bb9480c707fc34b53522359","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"892f34dc1819cceb8841005a68086710ce3763b6","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"dcaa0f1e86cbcb01f68131ae907b54cf299a3592","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"9af019e213ada5c3d0d33c515071a1414b6899f3","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"92e4979e1a770860b26aa3d90cce0c4c6a53833c","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/intel/qat/qat_common/qat_algs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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":["drivers/crypto/intel/qat/qat_common/qat_algs.c"]}],"references":["https://git.kernel.org/stable/c/b9cf42622b30178f554fa74411eec67e02d70411","https://git.kernel.org/stable/c/fb1194b78a163cc56bb9480c707fc34b53522359","https://git.kernel.org/stable/c/892f34dc1819cceb8841005a68086710ce3763b6","https://git.kernel.org/stable/c/dcaa0f1e86cbcb01f68131ae907b54cf299a3592","https://git.kernel.org/stable/c/9af019e213ada5c3d0d33c515071a1414b6899f3","https://git.kernel.org/stable/c/92e4979e1a770860b26aa3d90cce0c4c6a53833c","https://git.kernel.org/stable/c/d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93161.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93161","state":"PUBLISHED","datePublished":"2026-09-17T16:11:55.212Z","dateUpdated":"2026-10-19T09:06:33.265Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.089Z"},"containers":{"cna":{"title":"crypto: qat - clear AES key schedule from stack","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - clear AES key schedule from stack\n\nqat_alg_xts_reverse_key() expands the forward XTS AES key on the stack.\nThat schedule contains key material and can remain in the stack frame.\n\nClear the temporary crypto_aes_ctx with memzero_explicit() after the copy."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"b9cf42622b30178f554fa74411eec67e02d70411","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"fb1194b78a163cc56bb9480c707fc34b53522359","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"892f34dc1819cceb8841005a68086710ce3763b6","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"dcaa0f1e86cbcb01f68131ae907b54cf299a3592","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"9af019e213ada5c3d0d33c515071a1414b6899f3","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"92e4979e1a770860b26aa3d90cce0c4c6a53833c","versionType":"git"},{"version":"5106dfeaeabea73d5132daab1d89d57b57fa98b7","status":"affected","lessThan":"d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/intel/qat/qat_common/qat_algs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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":["drivers/crypto/intel/qat/qat_common/qat_algs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b9cf42622b30178f554fa74411eec67e02d70411"},{"url":"https://git.kernel.org/stable/c/fb1194b78a163cc56bb9480c707fc34b53522359"},{"url":"https://git.kernel.org/stable/c/892f34dc1819cceb8841005a68086710ce3763b6"},{"url":"https://git.kernel.org/stable/c/dcaa0f1e86cbcb01f68131ae907b54cf299a3592"},{"url":"https://git.kernel.org/stable/c/9af019e213ada5c3d0d33c515071a1414b6899f3"},{"url":"https://git.kernel.org/stable/c/92e4979e1a770860b26aa3d90cce0c4c6a53833c"},{"url":"https://git.kernel.org/stable/c/d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:06:33.265Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}