{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97560","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-24T16:01:01.155Z","datePublished":"2026-09-25T10:21:49.462Z","dateUpdated":"2026-10-03T10:59:40.108Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-03T10:59:40.108Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix one-byte OOB read in smb2_parse_native_symlink()\n\nWhen parsing a share-root relative native symlink, memcpy copies\nsmb_target+1 (skipping the leading separator) but uses\nstrlen(smb_target)+1 as the length, reading one byte past the\nallocated buffer.\n\nThis fixes the following KASAN splat when accessing an SMB symlink\nwith a target of '\\a\\b':\n\n  BUG: KASAN: slab-out-of-bounds in smb2_parse_native_symlink+0x4f5/0xca0\n  Read of size 5 at addr ffff88800878fe21 by task netfsfuzz-execu/1\n  CPU: 1 UID: 0 PID: 1 Comm: netfsfuzz-execu Tainted: G N\n  7.2.0-11943-g2709dd5ae32f-dirty #1 PREEMPT(lazy)\n  Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix,\n  1996)\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x7b/0xa0\n   print_report+0xd0/0x630\n   kasan_report+0xe5/0x120\n   kasan_check_range+0x105/0x1b0\n   __asan_memcpy+0x23/0x60\n   smb2_parse_native_symlink+0x4f5/0xca0\n   parse_reparse_point+0x68a/0x1530\n   reparse_info_to_fattr+0x752/0xa20\n   cifs_get_fattr+0x873/0x15b0\n   cifs_get_inode_info+0xc0/0x310\n   cifs_lookup+0x308/0xa70\n   __lookup_slow+0x122/0x2b0\n   lookup_slow+0x50/0x70\n   path_lookupat+0x525/0xaf0\n   filename_lookup+0x1f2/0x550\n   vfs_statx+0xd1/0x1a0\n   vfs_fstatat+0x65/0xc0\n   __do_sys_newfstatat+0x9a/0x120\n   do_syscall_64+0xdd/0x4a0\n   entry_SYSCALL_64_after_hwframe+0x77/0x7f"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/reparse.c"],"versions":[{"version":"430afd3edabf942a908570e5a41414bb455f15f8","lessThan":"ff411fcbfc55eec1d66ea82483d254319dc8e973","status":"affected","versionType":"git"},{"version":"fc5a409552be479715b147748f2f61b41b512976","lessThan":"22a9d0a9ba0c89be57558c1aa80dc60a571dd89c","status":"affected","versionType":"git"},{"version":"723f4ef90452aa629f3d923e92e0449d69362b1d","lessThan":"d1f173d28e964ba2c3c4ebe7491d594dc8c77a40","status":"affected","versionType":"git"},{"version":"723f4ef90452aa629f3d923e92e0449d69362b1d","lessThan":"2a302fdbaf7dd00d285303c94af8f48321c22993","status":"affected","versionType":"git"},{"version":"723f4ef90452aa629f3d923e92e0449d69362b1d","lessThan":"cb26524ef4ac28fcfa554c0656e8dc412c38a8ff","status":"affected","versionType":"git"},{"version":"c9280c017ea13ff8678ef4f1ea78a4b683292e8b","status":"affected","versionType":"git"},{"version":"6.6.64","lessThan":"6.6.158","status":"affected","versionType":"semver"},{"version":"6.12.2","lessThan":"6.12.111","status":"affected","versionType":"semver"},{"version":"6.11.11","lessThan":"6.12","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/reparse.c"],"versions":[{"version":"6.13","status":"affected"},{"version":"0","lessThan":"6.13","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.64","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.2","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.3-rc3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ff411fcbfc55eec1d66ea82483d254319dc8e973"},{"url":"https://git.kernel.org/stable/c/22a9d0a9ba0c89be57558c1aa80dc60a571dd89c"},{"url":"https://git.kernel.org/stable/c/d1f173d28e964ba2c3c4ebe7491d594dc8c77a40"},{"url":"https://git.kernel.org/stable/c/2a302fdbaf7dd00d285303c94af8f48321c22993"},{"url":"https://git.kernel.org/stable/c/cb26524ef4ac28fcfa554c0656e8dc412c38a8ff"}],"title":"smb: client: fix one-byte OOB read in smb2_parse_native_symlink()","x_generator":{"engine":"bippy-1.2.0"}}}}