Bug 2269843 (CVE-2021-47123) - CVE-2021-47123 kernel: io_uring: fix ltout double free on completion race
Summary: CVE-2021-47123 kernel: io_uring: fix ltout double free on completion race
Keywords:
Status: NEW
Alias: CVE-2021-47123
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: 2269844
Blocks: 2269857
TreeView+ depends on / blocked
 
Reported: 2024-03-16 18:07 UTC by Avinash Hanwate
Modified: 2024-06-21 11:01 UTC (History)
50 users (show)

Fixed In Version: kernel 5.12.10, kernel 5.13
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Avinash Hanwate 2024-03-16 18:07:47 UTC 
In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix ltout double free on completion race

The Linux kernel CVE team has assigned CVE-2021-47123 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024031511-CVE-2021-47123-8318@gregkh/T/#u
Comment 1 Avinash Hanwate 2024-03-16 18:08:23 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2269844]
Comment 2 Justin M. Forbes 2024-03-26 16:23:16 UTC 
This was fixed for Fedora with the 5.12.10 stable kernel updates.
Comment 4 Alex 2024-06-09 13:27:56 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47123 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).
Note You need to log in before you can comment on or make changes to this bug.