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5.5
CVE-2022-48692: Linux kernel may crash when processing certain storage traffic
CVE-2022-48692 · published 2 years ago
Summary
The Linux kernel's SRP storage driver could try to use a missing data pointer, leading to a system crash during specific tests. This defect can cause the operating system to stop responding, affecting any Linux systems that run the affected kernel version. Apply the latest kernel updates that include the fix to prevent the crash.
What to do
- Update debian linux to version 5.19.11-1.
- Update linux kernel to version 5.19.9.
- Update linux linux to version f022576aa03c2385ea7f2b27ee5b331e43abf624 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | linux | linux |
< f022576aa03c2385ea7f2b27ee5b331e43abf624 5.14 |
| – | linux | linux_kernel |
>= 5.14, < 5.15.68 >= 5.16, < 5.19.9 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Debian:12 | debian | linux |
< 5.19.11-1 Fix: upgrade to 5.19.11-1
|
| Linux | linux | kernel |
>= 5.16.0, < 5.19.9 Fix: upgrade to 5.19.9
|
Original advisory text
RDMA/srp: Set scmnd->result only when scmnd is not NULL
In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: Set scmnd->result only when scmnd is not NULL This change fixes the following kernel NULL pointer dereference which is reproduced by blktests srp/007 occasionally. BUG: kernel NULL pointer dereference, address: 0000000000000170 PGD 0 P4D 0 Oops: 0002 [#1] PREEMPT SMP NOPTI CPU: 0 PID: 9 Comm: kworker/0:1H Kdump: loaded Not tainted 6.0.0-rc1+ #37 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.15.0-29-g6a62e0cb0dfe-prebuilt.qemu.org 04/01/2014 Workqueue: 0x0 (kblockd) RIP: 0010:srp_recv_done+0x176/0x500 [ib_srp] Code: 00 4d 85 ff 0f 84 52 02 00 00 48 c7 82 80 02 00 00 00 00 00 00 4c 89 df 4c 89 14 24 e8 53 d3 4a f6 4c 8b 14 24 41 0f b6 42 13 <41> 89 87 70 01 00 00 41 0f b6 52 12 f6 c2 02 74 44 41 8b 42 1c b9 RSP: 0018:ffffaef7c0003e28 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff9bc9486dea60 RCX: 0000000000000000 RDX: 0000000000000102 RSI: ffffffffb76bbd0e RDI: 00000000ffffffff RBP: ffff9bc980099a00 R08: 0000000000000001 R09: 0000000000000001 R10: ffff9bca53ef0000 R11: ffff9bc980099a10 R12: ffff9bc956e14000 R13: ffff9bc9836b9cb0 R14: ffff9bc9557b4480 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9bc97ec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 0000000007e04000 CR4: 00000000000006f0 Call Trace: <IRQ> __ib_process_cq+0xb7/0x280 [ib_core] ib_poll_handler+0x2b/0x130 [ib_core] irq_poll_softirq+0x93/0x150 __do_softirq+0xee/0x4b8 irq_exit_rcu+0xf7/0x130 sysvec_apic_timer_interrupt+0x8e/0xc0 </IRQ>
References
- https://git.kernel.org/stable/c/12f35199a2c0551187edbf8eb01379f0598659fa URL
- https://git.kernel.org/stable/c/a8edd49c94b4b08019ed7d6dd794fca8078a4deb URL
- https://git.kernel.org/stable/c/f022576aa03c2385ea7f2b27ee5b331e43abf624 URL
- https://git.kernel.org/stable/c/f2c70f56f762e5dc3b0d7dc438fbb137cb116413 URL
- https://security-tracker.debian.org/tracker/CVE-2022-48692 Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48692... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-48692 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Severity
5.5
Medium
Type
CWE-476NULL Pointer Dereference
Timeline
Published3 May 2024
Updated4 Nov 2026
First seen4 Aug 2026
Sources
CVE-2022-48692 · NVD
CVE-2022-48692 · MITRE
DEBIAN-CVE-2022-48692 · OSV
CVE-2022-48692 · OSV
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