{"schema":"threatline.record/2","record":{"id":"CVE-2026-97560","aliases":[],"summary":"smb: client: fix one-byte OOB read in smb2_parse_native_symlink()","details":"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","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","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"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","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","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"22a9d0a9ba0c89be57558c1aa80dc60a571dd89c","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"2a302fdbaf7dd00d285303c94af8f48321c22993","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.6.158","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.12.111","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","source_modified_at":"2026-10-19T09:09:23.264Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.12","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.002,"percentile":0.09303,"score_date":"2026-10-23"},"published_at":"2026-09-25T10:21:49.462Z","modified_at":"2026-10-19T09:09:23.264Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-97560","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:09:23.264Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-97560","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/ff411fcbfc55eec1d66ea82483d254319dc8e973"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/22a9d0a9ba0c89be57558c1aa80dc60a571dd89c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d1f173d28e964ba2c3c4ebe7491d594dc8c77a40"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/2a302fdbaf7dd00d285303c94af8f48321c22993"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/cb26524ef4ac28fcfa554c0656e8dc412c38a8ff"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:09:23.264Z","content_hash":"e34bf48874cfa48e58f11d40f9bc8998e32eb0fd3f7572533ad41e5d74f10763"}}
