In the Linux kernel, the following vulnerability has been resolved:
netdevsim: avoid potential loop in nsim_dev_trap_report_work() Many syzbot
reports include the following trace [1] If nsim_dev_trap_report_work() can
not grab the mutex, it should rearm itself at least one jiffie later. [1]
Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 32383
Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 11/17/2023 Workqueue: events nsim_dev_trap_report_work RIP:
0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline] RIP:
0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP:
0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP:
0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP:
0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP:
0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189 Code: 07 49 39 d1
75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d
41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38
00 74 f2 eb b6 41 bc 08 00 00 00 RSP: 0018:ffffc90012dcf998 EFLAGS:
00000046 RAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3
RDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0 RBP:
fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e R10:
ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002 R13:
ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8 FS:
0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS:
0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00994e078 CR3:
000000002c250000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK>
instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read
include/linux/atomic/atomic-instrumented.h:32 [inline]
queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]
do_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
_raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194
debug_object_activate+0x349/0x540 lib/debugobjects.c:726
debug_work_activate kernel/workqueue.c:578 [inline] insert_work+0x30/0x230
kernel/workqueue.c:1650 __queue_work+0x62e/0x11d0 kernel/workqueue.c:1802
__queue_delayed_work+0x1bf/0x270 kernel/workqueue.c:1953
queue_delayed_work_on+0x106/0x130 kernel/workqueue.c:1989
queue_delayed_work include/linux/workqueue.h:563 [inline]
schedule_delayed_work include/linux/workqueue.h:677 [inline]
nsim_dev_trap_report_work+0x9c0/0xc80 drivers/net/netdevsim/dev.c:842
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0
kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 </TASK>
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 23.10 | noarch | linux | < 6.5.0-44.44 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-aws-6.5 | < 6.5.0-1023.23~22.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-azure-6.5 | < 6.5.0-1024.25~22.04.1 | UNKNOWN |
ubuntu | 23.10 | noarch | linux-gcp | < 6.5.0-1024.26 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-gcp-6.5 | < 6.5.0-1024.26~22.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-hwe-6.5 | < 6.5.0-44.44~22.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-lowlatency-hwe-6.5 | < 6.5.0-44.44.1~22.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-nvidia-6.5 | < 6.5.0-1023.24 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-oem-6.5 | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux-oracle-6.5 | < 6.5.0-1026.26~22.04.1 | UNKNOWN |
git.kernel.org/linus/ba5e1272142d051dcc57ca1d3225ad8a089f9858 (6.8-rc4)
git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc
git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46
git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858
git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc
launchpad.net/bugs/cve/CVE-2024-26681
nvd.nist.gov/vuln/detail/CVE-2024-26681
security-tracker.debian.org/tracker/CVE-2024-26681
ubuntu.com/security/notices/USN-6895-1
ubuntu.com/security/notices/USN-6895-2
ubuntu.com/security/notices/USN-6895-3
ubuntu.com/security/notices/USN-6900-1
www.cve.org/CVERecord?id=CVE-2024-26681