Bug 2266507 (CVE-2021-46942) - CVE-2021-46942 kernel: io_uring: fix shared sqpoll cancellation hangs
Summary: CVE-2021-46942 kernel: io_uring: fix shared sqpoll cancellation hangs
Keywords:
Status: NEW
Alias: CVE-2021-46942
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266508
Blocks: 2266459
TreeView+ depends on / blocked
 
Reported: 2024-02-28 00:02 UTC by Nick Tait
Modified: 2025-09-06 08:29 UTC (History)
47 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Nick Tait 2024-02-28 00:02:31 UTC 
In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix shared sqpoll cancellation hangs

The Linux kernel CVE team has assigned CVE-2021-46942 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/20240227184057.2368370-7-gregkh@linuxfoundation.org/T/#u
Comment 1 Nick Tait 2024-02-28 00:03:08 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266508]
Comment 6 Justin M. Forbes 2024-02-28 18:52:31 UTC 
This was fixed for Fedora with the 5.12.3 stable kernel update.
Comment 9 Alex 2024-06-09 13:21:00 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-46942 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).
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