{"id":"DEBIAN-CVE-2025-40351","details":"In the Linux kernel, the following vulnerability has been resolved:  hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat()  The syzbot reported issue in hfsplus_delete_cat():  [   70.682285][ T9333] ===================================================== [   70.682943][ T9333] BUG: KMSAN: uninit-value in hfsplus_subfolders_dec+0x1d7/0x220 [   70.683640][ T9333]  hfsplus_subfolders_dec+0x1d7/0x220 [   70.684141][ T9333]  hfsplus_delete_cat+0x105d/0x12b0 [   70.684621][ T9333]  hfsplus_rmdir+0x13d/0x310 [   70.685048][ T9333]  vfs_rmdir+0x5ba/0x810 [   70.685447][ T9333]  do_rmdir+0x964/0xea0 [   70.685833][ T9333]  __x64_sys_rmdir+0x71/0xb0 [   70.686260][ T9333]  x64_sys_call+0xcd8/0x3cf0 [   70.686695][ T9333]  do_syscall_64+0xd9/0x1d0 [   70.687119][ T9333]  entry_SYSCALL_64_after_hwframe+0x77/0x7f [   70.687646][ T9333] [   70.687856][ T9333] Uninit was stored to memory at: [   70.688311][ T9333]  hfsplus_subfolders_inc+0x1c2/0x1d0 [   70.688779][ T9333]  hfsplus_create_cat+0x148e/0x1800 [   70.689231][ T9333]  hfsplus_mknod+0x27f/0x600 [   70.689730][ T9333]  hfsplus_mkdir+0x5a/0x70 [   70.690146][ T9333]  vfs_mkdir+0x483/0x7a0 [   70.690545][ T9333]  do_mkdirat+0x3f2/0xd30 [   70.690944][ T9333]  __x64_sys_mkdir+0x9a/0xf0 [   70.691380][ T9333]  x64_sys_call+0x2f89/0x3cf0 [   70.691816][ T9333]  do_syscall_64+0xd9/0x1d0 [   70.692229][ T9333]  entry_SYSCALL_64_after_hwframe+0x77/0x7f [   70.692773][ T9333] [   70.692990][ T9333] Uninit was stored to memory at: [   70.693469][ T9333]  hfsplus_subfolders_inc+0x1c2/0x1d0 [   70.693960][ T9333]  hfsplus_create_cat+0x148e/0x1800 [   70.694438][ T9333]  hfsplus_fill_super+0x21c1/0x2700 [   70.694911][ T9333]  mount_bdev+0x37b/0x530 [   70.695320][ T9333]  hfsplus_mount+0x4d/0x60 [   70.695729][ T9333]  legacy_get_tree+0x113/0x2c0 [   70.696167][ T9333]  vfs_get_tree+0xb3/0x5c0 [   70.696588][ T9333]  do_new_mount+0x73e/0x1630 [   70.697013][ T9333]  path_mount+0x6e3/0x1eb0 [   70.697425][ T9333]  __se_sys_mount+0x733/0x830 [   70.697857][ T9333]  __x64_sys_mount+0xe4/0x150 [   70.698269][ T9333]  x64_sys_call+0x2691/0x3cf0 [   70.698704][ T9333]  do_syscall_64+0xd9/0x1d0 [   70.699117][ T9333]  entry_SYSCALL_64_after_hwframe+0x77/0x7f [   70.699730][ T9333] [   70.699946][ T9333] Uninit was created at: [   70.700378][ T9333]  __alloc_pages_noprof+0x714/0xe60 [   70.700843][ T9333]  alloc_pages_mpol_noprof+0x2a2/0x9b0 [   70.701331][ T9333]  alloc_pages_noprof+0xf8/0x1f0 [   70.701774][ T9333]  allocate_slab+0x30e/0x1390 [   70.702194][ T9333]  ___slab_alloc+0x1049/0x33a0 [   70.702635][ T9333]  kmem_cache_alloc_lru_noprof+0x5ce/0xb20 [   70.703153][ T9333]  hfsplus_alloc_inode+0x5a/0xd0 [   70.703598][ T9333]  alloc_inode+0x82/0x490 [   70.703984][ T9333]  iget_locked+0x22e/0x1320 [   70.704428][ T9333]  hfsplus_iget+0x5c/0xba0 [   70.704827][ T9333]  hfsplus_btree_open+0x135/0x1dd0 [   70.705291][ T9333]  hfsplus_fill_super+0x1132/0x2700 [   70.705776][ T9333]  mount_bdev+0x37b/0x530 [   70.706171][ T9333]  hfsplus_mount+0x4d/0x60 [   70.706579][ T9333]  legacy_get_tree+0x113/0x2c0 [   70.707019][ T9333]  vfs_get_tree+0xb3/0x5c0 [   70.707444][ T9333]  do_new_mount+0x73e/0x1630 [   70.707865][ T9333]  path_mount+0x6e3/0x1eb0 [   70.708270][ T9333]  __se_sys_mount+0x733/0x830 [   70.708711][ T9333]  __x64_sys_mount+0xe4/0x150 [   70.709158][ T9333]  x64_sys_call+0x2691/0x3cf0 [   70.709630][ T9333]  do_syscall_64+0xd9/0x1d0 [   70.710053][ T9333]  entry_SYSCALL_64_after_hwframe+0x77/0x7f [   70.710611][ T9333] [   70.710842][ T9333] CPU: 3 UID: 0 PID: 9333 Comm: repro Not tainted 6.12.0-rc6-dirty #17 [   70.711568][ T9333] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [   70.712490][ T9333] ===================================================== [   70.713085][ T9333] Disabling lock debugging due to kernel taint [   70.713618][ T9333] Kernel panic - not syncing: kmsan.panic set ... [   70.714159][ T9333]  ---truncated---","modified":"2026-09-01T16:06:17.798774886Z","published":"2025-12-16T14:15:46.953Z","upstream":["CVE-2025-40351"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-40351"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.158-1"}]}],"versions":["6.1.106-1","6.1.106-2","6.1.106-3","6.1.112-1","6.1.115-1","6.1.119-1","6.1.123-1","6.1.124-1","6.1.128-1","6.1.129-1","6.1.133-1","6.1.135-1","6.1.137-1","6.1.139-1","6.1.140-1","6.1.147-1","6.1.148-1","6.1.153-1","6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1","6.1.85-1","6.1.90-1","6.1.90-1~bpo11+1","6.1.94-1","6.1.94-1~bpo11+1","6.1.98-1","6.1.99-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-40351.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.57-1"}]}],"versions":["6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1~bpo12+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-40351.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.17.6-1"}]}],"versions":["6.12.100-1","6.12.101-1","6.12.105-1","6.12.107-1","6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1","6.12.96-1","6.13.10-1~exp1","6.13.11-1~exp1","6.13.2-1~exp1","6.13.3-1~exp1","6.13.4-1~exp1","6.13.5-1~exp1","6.13.6-1~exp1","6.13.7-1~exp1","6.13.8-1~exp1","6.13.9-1~exp1","6.13~rc6-1~exp1","6.13~rc7-1~exp1","6.14.3-1~exp1","6.14.5-1~exp1","6.14.6-1~exp1","6.15-1~exp1","6.15.1-1~exp1","6.15.2-1~exp1","6.15.3-1~exp1","6.15.4-1~exp1","6.15.5-1~exp1","6.15.6-1~exp1","6.15~rc7-1~exp1","6.16-1~exp1","6.16.1-1~exp1","6.16.10-1","6.16.11-1","6.16.12-1","6.16.12-1~bpo13+1","6.16.12-2","6.16.3-1","6.16.3-1~bpo13+1","6.16.5-1","6.16.6-1","6.16.7-1","6.16.8-1","6.16.9-1","6.16~rc7-1~exp1","6.17.2-1~exp1","6.17.5-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-40351.json"}}],"schema_version":"1.9.0"}