{"id":"CVE-2022-49566","state":"PUBLISHED","title":"crypto: qat - fix memory leak in RSA","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - fix memory leak in RSA\n\nWhen an RSA key represented in form 2 (as defined in PKCS #1 V2.1) is\nused, some components of the private key persist even after the TFM is\nreleased.\nReplace the explicit calls to free the buffers in qat_rsa_exit_tfm()\nwith a call to qat_rsa_clear_ctx() which frees all buffers referenced in\nthe TFM context.","publishedAt":"2025-02-26T02:23:11.749Z","updatedAt":"2026-05-11T19:02:25.754Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"879f77e9071f029e1c9bd5a75814ecf51370f846","status":"affected","lessThan":"a843925e0287eebb4aa808666bf22c664dfe4c53","versionType":"git"},{"version":"879f77e9071f029e1c9bd5a75814ecf51370f846","status":"affected","lessThan":"0f967fdc09955221a1951a279481b0bf4d359941","versionType":"git"},{"version":"879f77e9071f029e1c9bd5a75814ecf51370f846","status":"affected","lessThan":"80a52e1ee7757b742f96bfb0d58f0c14eb6583d0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/qat/qat_common/qat_asym_algs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/qat/qat_common/qat_asym_algs.c"]}],"references":["https://git.kernel.org/stable/c/a843925e0287eebb4aa808666bf22c664dfe4c53","https://git.kernel.org/stable/c/0f967fdc09955221a1951a279481b0bf4d359941","https://git.kernel.org/stable/c/80a52e1ee7757b742f96bfb0d58f0c14eb6583d0"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49566.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49566","state":"PUBLISHED","datePublished":"2025-02-26T02:23:11.749Z","dateUpdated":"2026-05-11T19:02:25.754Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.410Z"},"containers":{"cna":{"title":"crypto: qat - fix memory leak in RSA","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - fix memory leak in RSA\n\nWhen an RSA key represented in form 2 (as defined in PKCS #1 V2.1) is\nused, some components of the private key persist even after the TFM is\nreleased.\nReplace the explicit calls to free the buffers in qat_rsa_exit_tfm()\nwith a call to qat_rsa_clear_ctx() which frees all buffers referenced in\nthe TFM context."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"879f77e9071f029e1c9bd5a75814ecf51370f846","status":"affected","lessThan":"a843925e0287eebb4aa808666bf22c664dfe4c53","versionType":"git"},{"version":"879f77e9071f029e1c9bd5a75814ecf51370f846","status":"affected","lessThan":"0f967fdc09955221a1951a279481b0bf4d359941","versionType":"git"},{"version":"879f77e9071f029e1c9bd5a75814ecf51370f846","status":"affected","lessThan":"80a52e1ee7757b742f96bfb0d58f0c14eb6583d0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/qat/qat_common/qat_asym_algs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/qat/qat_common/qat_asym_algs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a843925e0287eebb4aa808666bf22c664dfe4c53"},{"url":"https://git.kernel.org/stable/c/0f967fdc09955221a1951a279481b0bf4d359941"},{"url":"https://git.kernel.org/stable/c/80a52e1ee7757b742f96bfb0d58f0c14eb6583d0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:02:25.754Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.18.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49566","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:37:03.443358Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:38.296Z"}}]}}}