| CVE | CVE-2024-26681 |
| CVE Title | |
| Published Date | 2024-04-02T07:15Z |
| Modified Date | 2024-04-02T12:50Z |
| Description | 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:
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| References | |
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| Reference URL | https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc |
| Reference Description | https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc |
| Reference URL | https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46 |
| Reference Description | https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46 |
| Reference URL | https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc |
| Reference Description | https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc |
| Reference URL | https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858 |
| Reference Description | https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858 |
| Sources | NIST MITRE |
Note
- No CVSS data for this CVE