{"id":"CVE-2026-97560","title":"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 s…","summary":"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 s…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fc5a409552be479715b147748f2f61b41b512976 < 22a9d0a9ba0c89be57558c1aa80dc60a571dd89c","Linux >= 723f4ef90452aa629f3d923e92e0449d69362b1d < d1f173d28e964ba2c3c4ebe7491d594dc8c77a40","Linux >= 723f4ef90452aa629f3d923e92e0449d69362b1d < 2a302fdbaf7dd00d285303c94af8f48321c22993","Linux >= 723f4ef90452aa629f3d923e92e0449d69362b1d < cb26524ef4ac28fcfa554c0656e8dc412c38a8ff","Linux 430afd3edabf942a908570e5a41414bb455f15f8","Linux c9280c017ea13ff8678ef4f1ea78a4b683292e8b","Linux >= 6.12.2 < 6.12.111","Linux >= 6.6.64 < 6.7","Linux >= 6.11.11 < 6.12","Linux 6.13"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:06.537","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97560","references":[{"url":"https://git.kernel.org/stable/c/22a9d0a9ba0c89be57558c1aa80dc60a571dd89c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2a302fdbaf7dd00d285303c94af8f48321c22993","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cb26524ef4ac28fcfa554c0656e8dc412c38a8ff","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d1f173d28e964ba2c3c4ebe7491d594dc8c77a40","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.916Z","slug":"CVE-2026-97560","body":"## Overview\n\nIn 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}