{"id":"CVE-2026-23282","state":"PUBLISHED","title":"smb: client: fix oops due to uninitialised var in smb2_unlink()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix oops due to uninitialised var in smb2_unlink()\n\nIf SMB2_open_init() or SMB2_close_init() fails (e.g. reconnect), the\niovs set @rqst will be left uninitialised, hence calling\nSMB2_open_free(), SMB2_close_free() or smb2_set_related() on them will\noops.\n\nFix this by initialising @close_iov and @open_iov before setting them\nin @rqst.","publishedAt":"2026-03-25T10:26:42.495Z","updatedAt":"2026-05-11T22:03:51.018Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1cf9f2a6a544288516a7b9e883a48eba6246bcf2","status":"affected","lessThan":"86163b98891aa9800f6103252e5acc7bb98afb91","versionType":"git"},{"version":"1cf9f2a6a544288516a7b9e883a48eba6246bcf2","status":"affected","lessThan":"dc710c87af3341554d02d634ada1d2036c49a94a","versionType":"git"},{"version":"1cf9f2a6a544288516a7b9e883a48eba6246bcf2","status":"affected","lessThan":"048efe129a297256d3c2088cf8d79515ff5ec864","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/smb2inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/smb2inode.c"]}],"references":["https://git.kernel.org/stable/c/86163b98891aa9800f6103252e5acc7bb98afb91","https://git.kernel.org/stable/c/dc710c87af3341554d02d634ada1d2036c49a94a","https://git.kernel.org/stable/c/048efe129a297256d3c2088cf8d79515ff5ec864"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23282.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23282","state":"PUBLISHED","datePublished":"2026-03-25T10:26:42.495Z","dateUpdated":"2026-05-11T22:03:51.018Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.992Z"},"containers":{"cna":{"title":"smb: client: fix oops due to uninitialised var in smb2_unlink()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix oops due to uninitialised var in smb2_unlink()\n\nIf SMB2_open_init() or SMB2_close_init() fails (e.g. reconnect), the\niovs set @rqst will be left uninitialised, hence calling\nSMB2_open_free(), SMB2_close_free() or smb2_set_related() on them will\noops.\n\nFix this by initialising @close_iov and @open_iov before setting them\nin @rqst."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1cf9f2a6a544288516a7b9e883a48eba6246bcf2","status":"affected","lessThan":"86163b98891aa9800f6103252e5acc7bb98afb91","versionType":"git"},{"version":"1cf9f2a6a544288516a7b9e883a48eba6246bcf2","status":"affected","lessThan":"dc710c87af3341554d02d634ada1d2036c49a94a","versionType":"git"},{"version":"1cf9f2a6a544288516a7b9e883a48eba6246bcf2","status":"affected","lessThan":"048efe129a297256d3c2088cf8d79515ff5ec864","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/smb2inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/smb2inode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/86163b98891aa9800f6103252e5acc7bb98afb91"},{"url":"https://git.kernel.org/stable/c/dc710c87af3341554d02d634ada1d2036c49a94a"},{"url":"https://git.kernel.org/stable/c/048efe129a297256d3c2088cf8d79515ff5ec864"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:03:51.018Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}