{"id":"CVE-2024-46742","state":"PUBLISHED","title":"smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()\n\nnull-ptr-deref will occur when (req_op_level == SMB2_OPLOCK_LEVEL_LEASE)\nand parse_lease_state() return NULL.\n\nFix this by check if 'lease_ctx_info' is NULL.\n\nAdditionally, remove the redundant parentheses in\nparse_durable_handle_context().","publishedAt":"2024-09-18T07:12:03.251Z","updatedAt":"2026-05-11T20:35:31.448Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"878f32878351104448b86ef5b85d1f8ed6f599fb","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"ec28c35029b7930f31117f9284874b63bea4f31b","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"07f384c5be1f8633b13f0a22616e227570450bc6","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"3b692794b81f2ecad69a4adbba687f3836824ada","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"4e8771a3666c8f216eefd6bd2fd50121c6c437db","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/oplock.c","fs/smb/server/smb2pdu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.181","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.135","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.51","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.10","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/oplock.c","fs/smb/server/smb2pdu.c"]}],"references":["https://git.kernel.org/stable/c/878f32878351104448b86ef5b85d1f8ed6f599fb","https://git.kernel.org/stable/c/ec28c35029b7930f31117f9284874b63bea4f31b","https://git.kernel.org/stable/c/07f384c5be1f8633b13f0a22616e227570450bc6","https://git.kernel.org/stable/c/3b692794b81f2ecad69a4adbba687f3836824ada","https://git.kernel.org/stable/c/4e8771a3666c8f216eefd6bd2fd50121c6c437db","https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/46xxx/CVE-2024-46742.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-46742","state":"PUBLISHED","datePublished":"2024-09-18T07:12:03.251Z","dateUpdated":"2026-05-11T20:35:31.448Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-11T15:12:18.264Z"},"containers":{"cna":{"title":"smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()\n\nnull-ptr-deref will occur when (req_op_level == SMB2_OPLOCK_LEVEL_LEASE)\nand parse_lease_state() return NULL.\n\nFix this by check if 'lease_ctx_info' is NULL.\n\nAdditionally, remove the redundant parentheses in\nparse_durable_handle_context()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"878f32878351104448b86ef5b85d1f8ed6f599fb","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"ec28c35029b7930f31117f9284874b63bea4f31b","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"07f384c5be1f8633b13f0a22616e227570450bc6","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"3b692794b81f2ecad69a4adbba687f3836824ada","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","status":"affected","lessThan":"4e8771a3666c8f216eefd6bd2fd50121c6c437db","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/oplock.c","fs/smb/server/smb2pdu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.181","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.135","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.51","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.10","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/oplock.c","fs/smb/server/smb2pdu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/878f32878351104448b86ef5b85d1f8ed6f599fb"},{"url":"https://git.kernel.org/stable/c/ec28c35029b7930f31117f9284874b63bea4f31b"},{"url":"https://git.kernel.org/stable/c/07f384c5be1f8633b13f0a22616e227570450bc6"},{"url":"https://git.kernel.org/stable/c/3b692794b81f2ecad69a4adbba687f3836824ada"},{"url":"https://git.kernel.org/stable/c/4e8771a3666c8f216eefd6bd2fd50121c6c437db"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:35:31.448Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.10.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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