hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()
In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc() BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186 Read of size 2 at addr ffff8880289ef218 by task syz.6.248/14290 CPU: 0 UID: 0 PID: 14290 Comm: syz.6.248 Not tainted 6.16.4 #1 PREEMPT(full) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1b0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xca/0x5f0 mm/kasan/report.c:482 kasan_report+0xca/0x100 mm/kasan/report.c:595 hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186 hfsplus_listxattr+0x5b6/0xbd0 fs/hfsplus/xattr.c:738 vfs_listxattr+0xbe/0x140 fs/xattr.c:493 listxattr+0xee/0x190 fs/xattr.c:924 filename_listxattr fs/xattr.c:958 [inline] path_listxattrat+0x143/0x360 fs/xattr.c:988 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcb/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe0e9fae16d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe0eae67f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 RAX: ffffffffffffffda RBX: 00007fe0ea205fa0 RCX: 00007fe0e9fae16d RDX: 0000000000000000 RSI: 00000
CVE-2025-40082
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-40082
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "ccf0ad56a779e6704c0b27f555dec847f50c7557",
"lessThan": "343fe375a8dd6ee51a193a1c233b999f5ea4d479",
"versionType": "git"
},
{
"status": "affected",
"version": "13604b1d7e7b125fb428cddbec6b8d92baad25d5",
"lessThan": "782acde47e127c98a113726e2ff8024bd65c0454",
"versionType": "git"
},
{
"status": "affected",
"version": "291bb5d931c6f3cd7227b913302a17be21cf53b0",
"lessThan": "c3db89ea1ed3d540eebe8f3c36e806fb75ee4a1e",
"versionType": "git"
},
{
"status": "affected",
"version": "f7534cbfac0a9ffa4fa17cacc6e8b6446dae24ee",
"lessThan": "5b5228964619b180f366940505b77255b1a03929",
"versionType": "git"
},
{
"status": "affected",
"version": "94458781aee6045bd3d0ad4b80b02886b9e2219b",
"lessThan": "857aefc70d4ae3b9bf1ae67434d27d0f79f80c9e",
"versionType": "git"
},
{
"status": "affected",
"version": "94458781aee6045bd3d0ad4b80b02886b9e2219b",
"lessThan": "bea3e1d4467bcf292c8e54f080353d556d355e26",
"versionType": "git"
},
{
"status": "affected",
"version": "73f7da507d787b489761a0fa280716f84fa32b2f",
"versionType": "git"
},
{
"status": "affected",
"version": "76a4c6636a69d69409aa253b049b1be717a539c5",
"versionType": "git"
},
{
"status": "affected",
"version": "6f93694bcbc2c2ab3e01cd8fba2f296faf34e6b9",
"versionType": "git"
},
{
"status": "affected",
"version": "1ca69007e52a73bd8b84b988b61b319816ca8b01",
"versionType": "git"
},
{
"status": "affected",
"version": "5.15.190",
"lessThan": "5.15.200",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.1.149",
"lessThan": "6.1.163",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.6.103",
"lessThan": "6.6.124",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.12.43",
"lessThan": "6.12.70",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.4.297",
"lessThan": "5.5",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.10.241",
"lessThan": "5.11",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.15.11",
"lessThan": "6.16",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.16.2",
"lessThan": "6.17",
"versionType": "semver"
}
],
"programFiles": [
"fs/hfsplus/dir.c",
"fs/hfsplus/hfsplus_fs.h",
"fs/hfsplus/unicode.c",
"fs/hfsplus/xattr.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.17"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.17",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.15.200",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.163",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.124",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.70",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.3",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/hfsplus/dir.c",
"fs/hfsplus/hfsplus_fs.h",
"fs/hfsplus/unicode.c",
"fs/hfsplus/xattr.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-40082
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30671 · Revision 1
- Added to Heist Feed
- Publisher date