{"id":"CVE-2025-71151","state":"PUBLISHED","title":"cifs: Fix memory and information leak in smb3_reconfigure()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory and information leak in smb3_reconfigure()\n\nIn smb3_reconfigure(), if smb3_sync_session_ctx_passwords() fails, the\nfunction returns immediately without freeing and erasing the newly\nallocated new_password and new_password2. This causes both a memory leak\nand a potential information leak.\n\nFix this by calling kfree_sensitive() on both password buffers before\nreturning in this error case.","publishedAt":"2026-01-23T14:15:17.916Z","updatedAt":"2026-05-23T16:03:26.099Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"880a661e67648a3ffe85405e8de5f50650a3c0b2","status":"affected","lessThan":"bc390b2737205163e48cc1655f6a0c8cd55b02fc","versionType":"git"},{"version":"0e4145774c016530bf99afb3675a1a0593c35642","status":"affected","lessThan":"5679cc90bb5415801fa29041da0319d9e15d295d","versionType":"git"},{"version":"0f0e357902957fba28ed31bde0d6921c6bd1485d","status":"affected","lessThan":"bb82aaee16907dc4d0b9b0ca7953ceb3edc328c6","versionType":"git"},{"version":"0f0e357902957fba28ed31bde0d6921c6bd1485d","status":"affected","lessThan":"cb6d5aa9c0f10074f1ad056c3e2278ad2cc7ec8d","versionType":"git"},{"version":"674ba43944dab8e8f87434e25d9d10c5152584bc","status":"affected","versionType":"git"},{"version":"6.6.64","status":"affected","lessThan":"6.6.120","versionType":"semver"},{"version":"6.12.2","status":"affected","lessThan":"6.12.64","versionType":"semver"},{"version":"6.11.11","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/fs_context.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/fs_context.c"]}],"references":["https://git.kernel.org/stable/c/bc390b2737205163e48cc1655f6a0c8cd55b02fc","https://git.kernel.org/stable/c/5679cc90bb5415801fa29041da0319d9e15d295d","https://git.kernel.org/stable/c/bb82aaee16907dc4d0b9b0ca7953ceb3edc328c6","https://git.kernel.org/stable/c/cb6d5aa9c0f10074f1ad056c3e2278ad2cc7ec8d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71151.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71151","state":"PUBLISHED","datePublished":"2026-01-23T14:15:17.916Z","dateUpdated":"2026-05-23T16:03:26.099Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.662Z"},"containers":{"cna":{"title":"cifs: Fix memory and information leak in smb3_reconfigure()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory and information leak in smb3_reconfigure()\n\nIn smb3_reconfigure(), if smb3_sync_session_ctx_passwords() fails, the\nfunction returns immediately without freeing and erasing the newly\nallocated new_password and new_password2. This causes both a memory leak\nand a potential information leak.\n\nFix this by calling kfree_sensitive() on both password buffers before\nreturning in this error case."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"880a661e67648a3ffe85405e8de5f50650a3c0b2","status":"affected","lessThan":"bc390b2737205163e48cc1655f6a0c8cd55b02fc","versionType":"git"},{"version":"0e4145774c016530bf99afb3675a1a0593c35642","status":"affected","lessThan":"5679cc90bb5415801fa29041da0319d9e15d295d","versionType":"git"},{"version":"0f0e357902957fba28ed31bde0d6921c6bd1485d","status":"affected","lessThan":"bb82aaee16907dc4d0b9b0ca7953ceb3edc328c6","versionType":"git"},{"version":"0f0e357902957fba28ed31bde0d6921c6bd1485d","status":"affected","lessThan":"cb6d5aa9c0f10074f1ad056c3e2278ad2cc7ec8d","versionType":"git"},{"version":"674ba43944dab8e8f87434e25d9d10c5152584bc","status":"affected","versionType":"git"},{"version":"6.6.64","status":"affected","lessThan":"6.6.120","versionType":"semver"},{"version":"6.12.2","status":"affected","lessThan":"6.12.64","versionType":"semver"},{"version":"6.11.11","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/fs_context.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/fs_context.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bc390b2737205163e48cc1655f6a0c8cd55b02fc"},{"url":"https://git.kernel.org/stable/c/5679cc90bb5415801fa29041da0319d9e15d295d"},{"url":"https://git.kernel.org/stable/c/bb82aaee16907dc4d0b9b0ca7953ceb3edc328c6"},{"url":"https://git.kernel.org/stable/c/cb6d5aa9c0f10074f1ad056c3e2278ad2cc7ec8d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:03:26.099Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.64","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.2","versionEndExcluding":"6.12.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}