{"id":28992,"date":"2026-09-25T20:31:39","date_gmt":"2026-09-25T12:31:39","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97560"},"modified":"2026-09-25T20:31:39","modified_gmt":"2026-09-25T12:31:39","slug":"cve-2026-97560","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97560","title":{"rendered":"CVE-2026-97560 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix one-"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: fix one-byte OOB read in smb2_parse_native_symlink()<\/p>\n<p>When parsing a share-root relative native symlink, memcpy copies<br \/>\nsmb_target+1 (skipping the leading separator) but uses<br \/>\nstrlen(smb_target)+1 as the length, reading one byte past the<br \/>\nallocated buffer.<\/p>\n<p>This fixes the following KASAN splat when accessing an SMB symlink<br \/>\nwith a target of &#8216;ab&#8217;:<\/p>\n<p>  BUG: KASAN: slab-out-of-bounds in smb2_parse_native_symlink+0x4f5\/0xca0<br \/>\n  Read of size 5 at addr ffff88800878fe21 by task netfsfuzz-execu\/1<br \/>\n  CPU: 1 UID: 0 PID: 1 Comm: netfsfuzz-execu Tainted: G N<br \/>\n  7.2.0-11943-g2709dd5ae32f-dirty #1 PREEMPT(lazy)<br \/>\n  Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix,<br \/>\n  1996)<br \/>\n  Call Trace:<\/p>\n<p>   dump_stack_lvl+0x7b\/0xa0<br \/>\n   print_report+0xd0\/0x630<br \/>\n   kasan_report+0xe5\/0x120<br \/>\n   kasan_check_range+0x105\/0x1b0<br \/>\n   __asan_memcpy+0x23\/0x60<br \/>\n   smb2_parse_native_symlink+0x4f5\/0xca0<br \/>\n   parse_reparse_point+0x68a\/0x1530<br \/>\n   reparse_info_to_fattr+0x752\/0xa20<br \/>\n   cifs_get_fattr+0x873\/0x15b0<br \/>\n   cifs_get_inode_info+0xc0\/0x310<br \/>\n   cifs_lookup+0x308\/0xa70<br \/>\n   __lookup_slow+0x122\/0x2b0<br \/>\n   lookup_slow+0x50\/0x70<br \/>\n   path_lookupat+0x525\/0xaf0<br \/>\n   filename_lookup+0x1f2\/0x550<br \/>\n   vfs_statx+0xd1\/0x1a0<br \/>\n   vfs_fstatat+0x65\/0xc0<br \/>\n   __do_sys_newfstatat+0x9a\/0x120<br \/>\n   do_syscall_64+0xdd\/0x4a0<br \/>\n   entry_SYSCALL_64_after_hwframe+0x77\/0x7f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: fix one-byte OOB read in smb2_parse_native_symlink()<\/p>\n<p>When parsing a share-root relative native symlink, memcpy copies<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28992","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=28992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}