CVE-2022-50472
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-50472
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50472.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-50472
- Downstream
- Published
- 2025-10-04T15:16:34Z
- Modified
- 2025-10-15T18:54:19.220815Z
- Summary
- IB/mad: Don't call to function that might sleep while in atomic context
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
IB/mad: Don't call to function that might sleep while in atomic context
Tracepoints are not allowed to sleep, as such the following splat is generated due to call to ibquerypkey() in atomic context.
WARNING: CPU: 0 PID: 1888000 at kernel/trace/ringbuffer.c:2492 rbcommit+0xc1/0x220 CPU: 0 PID: 1888000 Comm: kworker/u9:0 Kdump: loaded Tainted: G OE --------- - - 4.18.0-305.3.1.el8.x8664 #1 Hardware name: Red Hat KVM, BIOS 1.13.0-2.moduleel8.3.0+555+a55c8938 04/01/2014 Workqueue: ib-comp-unb-wq ibcqpollwork [ibcore] RIP: 0010:rbcommit+0xc1/0x220 RSP: 0000:ffffa8ac80f9bca0 EFLAGS: 00010202 RAX: ffff8951c7c01300 RBX: ffff8951c7c14a00 RCX: 0000000000000246 RDX: ffff8951c707c000 RSI: ffff8951c707c57c RDI: ffff8951c7c14a00 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8951c7c01300 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000000 R14: ffffffff964c70c0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8951fbc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20e8f39010 CR3: 000000002ca10005 CR4: 0000000000170ef0 Call Trace: ringbufferunlockcommit+0x1d/0xa0 tracebufferunlockcommitregs+0x3b/0x1b0 traceeventbuffercommit+0x67/0x1d0 traceeventraweventibmadrecvdonehandler+0x11c/0x160 [ibcore] ibmadrecvdone+0x48b/0xc10 [ibcore] ? traceeventraweventcqpoll+0x6f/0xb0 [ibcore] _ibprocesscq+0x91/0x1c0 [ibcore] ibcqpollwork+0x26/0x80 [ibcore] processonework+0x1a7/0x360 ? createworker+0x1a0/0x1a0 workerthread+0x30/0x390 ? createworker+0x1a0/0x1a0 kthread+0x116/0x130 ? kthreadflushworkfn+0x10/0x10 retfromfork+0x35/0x40 ---[ end trace 78ba8509d3830a16 ]---
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/47e31b86edff36f2d26cbc88ce695d98ff804178
- https://git.kernel.org/stable/c/5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3
- https://git.kernel.org/stable/c/cea70a572c0cb9728d728cfebe7d5bd485e97513
- https://git.kernel.org/stable/c/fa8a2f3be78e4585996bcf4c15e4504441a4c7a0
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced821bf1de45a1a084e2e11b1a2308777434194bfeFixed47e31b86edff36f2d26cbc88ce695d98ff804178
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced821bf1de45a1a084e2e11b1a2308777434194bfeFixedcea70a572c0cb9728d728cfebe7d5bd485e97513
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced821bf1de45a1a084e2e11b1a2308777434194bfeFixedfa8a2f3be78e4585996bcf4c15e4504441a4c7a0
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced821bf1de45a1a084e2e11b1a2308777434194bfeFixed5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3