cbcvebase.
CVE-2024-42111
published 2024-07-30

CVE-2024-42111: In the Linux kernel, the following vulnerability has been resolved: btrfs: always do the basic checks for btrfs_qgroup_inherit structure [BUG] Syzbot reports…

PriorityP429medium6.3CVSS 3.1
AVLACHPRLUINSUCHINAH
EPSS
0.21%
10.8th percentile
In the Linux kernel, the following vulnerability has been resolved: btrfs: always do the basic checks for btrfs_qgroup_inherit structure [BUG] Syzbot reports the following regression detected by KASAN: BUG: KASAN: slab-out-of-bounds in btrfs_qgroup_inherit+0x42e/0x2e20 fs/btrfs/qgroup.c:3277 Read of size 8 at addr ffff88814628ca50 by task syz-executor318/5171 CPU: 0 PID: 5171 Comm: syz-executor318 Not tainted 6.10.0-rc2-syzkaller-00010-g2ab795141095 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 btrfs_qgroup_inherit+0x42e/0x2e20 fs/btrfs/qgroup.c:3277 create_pending_snapshot+0x1359/0x29b0 fs/btrfs/transaction.c:1854 create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1922 btrfs_commit_transaction+0xf20/0x3740 fs/btrfs/transaction.c:2382 create_snapshot+0x6a1/0x9e0 fs/btrfs/ioctl.c:875 btrfs_mksubvol+0x58f/0x710 fs/btrfs/ioctl.c:1029 btrfs_mksnapshot+0xb5/0xf0 fs/btrfs/ioctl.c:1075 __btrfs_ioctl_snap_create+0x387/0x4b0 fs/btrfs/ioctl.c:1340 btrfs_ioctl_snap_create_v2+0x1f2/0x3a0 fs/btrfs/ioctl.c:1422 btrfs_ioctl+0x99e/0xc60 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcbf1992509 RSP: 002b:00007fcbf1928218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcbf1a1f618 RCX: 00007fcbf1992509 RDX: 0000000020000280 RSI: 0000000050009417 RDI: 0000000000000003 RBP: 00007fcbf1a1f610 R08: 00007ffea1298e97 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbf19eb660 R13: 00000000200002b8 R14: 00007

Affected

18 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.9.9-1 (forky)linux 6.9.9-1 (forky)
linuxlinux
linuxlinux
linuxlinux>= 6.8.10 < 6.96.9
linuxlinux>= b5357cb268c41b4e2b7383d2759fc562f5b58c33 < ebe5ea02577b2c527958af1b76ac472c7ab53a56ebe5ea02577b2c527958af1b76ac472c7ab53a56
linuxlinux>= b5357cb268c41b4e2b7383d2759fc562f5b58c33 < 724d8042cef84496ddb4492dc120291f997ae26b724d8042cef84496ddb4492dc120291f997ae26b
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.9.9-16.9.9-1
linuxlinux_kernel>= 0 < 6.9.9-16.9.9-1
linuxlinux_kernel>= 0 < 6.8.0-48.486.8.0-48.48
linuxlinux_kernel>= 6.8.10 < 6.96.9
linuxlinux_kernel>= 6.9.1 < 6.9.96.9.9

CVSS provenance

nvdv3.16.3MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
osv6.3MEDIUM
vendor_debian6.3LOW
vendor_redhat6.3MEDIUM
vendor_ubuntu5.5MEDIUM
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