CVE - CVE-2022-49931

CVE-ID
CVE-2022-49931	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Correctly move list in sc_disable() Commit 13bac861952a ("IB/hfi1: Fix abba locking issue with sc_disable()") incorrectly tries to move a list from one list head to another. The result is a kernel crash. The crash is triggered when a link goes down and there are waiters for a send to complete. The following signature is seen: BUG: kernel NULL pointer dereference, address: 0000000000000030 [...] Call Trace: sc_disable+0x1ba/0x240 [hfi1] pio_freeze+0x3d/0x60 [hfi1] handle_freeze+0x27/0x1b0 [hfi1] process_one_work+0x1b0/0x380 ? process_one_work+0x380/0x380 worker_thread+0x30/0x360 ? process_one_work+0x380/0x380 kthread+0xd7/0x100 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 The fix is to use the correct call to move the list.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55 URL:https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55 MISC:https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e URL:https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e MISC:https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0 URL:https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0 MISC:https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c URL:https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c MISC:https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926 URL:https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926
Assigning CNA
kernel.org
Date Record Created
20250501	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250501)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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