btrfs: fix information leak in btrfs_ioctl_logical_to_ino()
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfs_ioctl_logical_to_ino() Syzbot reported the following information leak for in btrfs_ioctl_logical_to_ino(): BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x110 lib/usercopy.c:40 instrument_copy_to_user include/linux/instrumented.h:114 [inline] _copy_to_user+0xbc/0x110 lib/usercopy.c:40 copy_to_user include/linux/uaccess.h:191 [inline] btrfs_ioctl_logical_to_ino+0x440/0x750 fs/btrfs/ioctl.c:3499 btrfs_ioctl+0x714/0x1260 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0x261/0x450 fs/ioctl.c:890 __x64_sys_ioctl+0x96/0xe0 fs/ioctl.c:890 x64_sys_call+0x1883/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slub.c:3921 __do_kmalloc_node mm/slub.c:3954 [inline] __kmalloc_node+0xb07/0x1060 mm/slub.c:3973 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] init_data_container+0x49/0x1e0 fs/btrfs/backref.c:2779 btrfs_ioctl_logical_to_ino+0x17c/0x750 fs/btrfs/ioctl.c:3480 btrfs_ioctl+0x714/0x1260 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline]
CVE-2024-35849
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-2024-35849
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": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "689efe22e9b5b7d9d523119a9a5c3c17107a0772",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "73db209dcd4ae026021234d40cfcb2fb5b564b86",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "30189e54ba80e3209d34cfeea87b848f6ae025e6",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "e58047553a4e859dafc8d1d901e1de77c9dd922d",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "8bdbcfaf3eac42f98e5486b3d7e130fa287811f6",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "3a63cee1a5e14a3e52c19142c61dd5fcb524f6dc",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "fddc19631c51d9c17d43e9f822a7bc403af88d54",
"versionType": "git"
},
{
"status": "affected",
"version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
"lessThan": "2f7ef5bb4a2f3e481ef05fab946edb97c84f67cf",
"versionType": "git"
}
],
"programFiles": [
"fs/btrfs/backref.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.2"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.19.313",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.275",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.216",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.158",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.90",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.30",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.8.9",
"versionType": "semver",
"lessThanOrEqual": "6.8.*"
},
{
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/btrfs/backref.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2024-35849
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #26525 · Revision 1
- Added to Heist Feed
- Publisher date