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CVE-2025-40349
published 2025-12-16

CVE-2025-40349: In the Linux kernel, the following vulnerability has been resolved: hfs: validate record offset in hfsplus_bmap_alloc hfsplus_bmap_alloc can trigger a crash if…

PriorityP342high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.13%
3.3th percentile
In the Linux kernel, the following vulnerability has been resolved: hfs: validate record offset in hfsplus_bmap_alloc hfsplus_bmap_alloc can trigger a crash if a record offset or length is larger than node_size [ 15.264282] BUG: KASAN: slab-out-of-bounds in hfsplus_bmap_alloc+0x887/0x8b0 [ 15.265192] Read of size 8 at addr ffff8881085ca188 by task test/183 [ 15.265949] [ 15.266163] CPU: 0 UID: 0 PID: 183 Comm: test Not tainted 6.17.0-rc2-gc17b750b3ad9 #14 PREEMPT(voluntary) [ 15.266165] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.266167] Call Trace: [ 15.266168] [ 15.266169] dump_stack_lvl+0x53/0x70 [ 15.266173] print_report+0xd0/0x660 [ 15.266181] kasan_report+0xce/0x100 [ 15.266185] hfsplus_bmap_alloc+0x887/0x8b0 [ 15.266208] hfs_btree_inc_height.isra.0+0xd5/0x7c0 [ 15.266217] hfsplus_brec_insert+0x870/0xb00 [ 15.266222] __hfsplus_ext_write_extent+0x428/0x570 [ 15.266225] __hfsplus_ext_cache_extent+0x5e/0x910 [ 15.266227] hfsplus_ext_read_extent+0x1b2/0x200 [ 15.266233] hfsplus_file_extend+0x5a7/0x1000 [ 15.266237] hfsplus_get_block+0x12b/0x8c0 [ 15.266238] __block_write_begin_int+0x36b/0x12c0 [ 15.266251] block_write_begin+0x77/0x110 [ 15.266252] cont_write_begin+0x428/0x720 [ 15.266259] hfsplus_write_begin+0x51/0x100 [ 15.266262] cont_write_begin+0x272/0x720 [ 15.266270] hfsplus_write_begin+0x51/0x100 [ 15.266274] generic_perform_write+0x321/0x750 [ 15.266285] generic_file_write_iter+0xc3/0x310 [ 15.266289] __kernel_write_iter+0x2fd/0x800 [ 15.266296] dump_user_range+0x2ea/0x910 [ 15.266301] elf_core_dump+0x2a94/0x2ed0 [ 15.266320] vfs_coredump+0x1d85/0x45e0 [ 15.266349] get_signal+0x12e3/0x1990 [ 15.266357] arch_do_signal_or_restart+0x89/0x580 [ 15.266362] irqentry_exit_to_user_mode+0xab/0x110 [ 15.266364] asm_exc_page_fault+0x26/0x30 [ 15.266366] RIP: 0033:0x41bd35 [ 15.266367] Code: bc d1 f3 0f 7f 27 f3 0f 7f 6f 10 f3 0f 7f 77 20 f3 0f 7f 7f 30 49 83 c0 0f 49 29 d0 48 8d 7c 17 31 e9 9f 0b 00 00 66

Affected

30 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.158-1 (bookworm)linux 6.1.158-1 (bookworm)
linuxlinux
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f7d9f600c7c3ff5dab36181a388af55f2c95604cf7d9f600c7c3ff5dab36181a388af55f2c95604c
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 40dfe7a4215a1f20842561ffaf5a6f83a987e75b40dfe7a4215a1f20842561ffaf5a6f83a987e75b
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 418e48cab99c52c1760636a4dbe464bf6db2018b418e48cab99c52c1760636a4dbe464bf6db2018b
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0058d20d76182861dbdd8fd6e2dd8d18d6d3becf0058d20d76182861dbdd8fd6e2dd8d18d6d3becf
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4f40a2b3969daf10dca4dea6f6dd0e813f79b2274f40a2b3969daf10dca4dea6f6dd0e813f79b227
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 17ed51cfce6c62cffb97059ef392ad2e0245806e17ed51cfce6c62cffb97059ef392ad2e0245806e
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 068a46df3e6acc68fb9db0a6313ab379a11ecd6f068a46df3e6acc68fb9db0a6313ab379a11ecd6f
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 738d5a51864ed8d7a68600b8c0c63fe6fe5c4f20738d5a51864ed8d7a68600b8c0c63fe6fe5c4f20
linuxlinux_kernel>= 0 < 5.10.247-15.10.247-1
linuxlinux_kernel>= 0 < 6.1.158-16.1.158-1
linuxlinux_kernel>= 0 < 6.12.57-16.12.57-1
linuxlinux_kernel>= 0 < 6.17.6-16.17.6-1
linuxlinux_kernel>= 0 < 5.15.0-170.1805.15.0-170.180
linuxlinux_kernel>= 0 < 6.8.0-106.1066.8.0-106.106
linuxlinux_kernel>= 0 < 6.17.0-14.146.17.0-14.14
linuxlinux_kernel>= 2.6.12 < 5.4.3015.4.301
linuxlinux_kernel>= 5.11.0 < 5.15.1965.15.196
linuxlinux_kernel>= 5.16.0 < 6.1.1586.1.158
linuxlinux_kernel>= 5.5.0 < 5.10.2465.10.246
linuxlinux_kernel>= 6.13.0 < 6.17.66.17.6
linuxlinux_kernel>= 6.2.0 < 6.6.1156.6.115
linuxlinux_kernel>= 6.7.0 < 6.12.566.12.56
ubuntulinux-aws

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_redhat5.5LOW
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