Bug 2150975 (CVE-2022-3521) - CVE-2022-3521 kernel: race condition in kcm_tx_work() in net/kcm/kcmsock.c
Summary: CVE-2022-3521 kernel: race condition in kcm_tx_work() in net/kcm/kcmsock.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-3521
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2150976
Blocks: 2150977
TreeView+ depends on / blocked
 
Reported: 2022-12-05 18:41 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-03-15 10:00 UTC (History)
37 users (show)

Fixed In Version: kernel 6.1-rc1
Clone Of:
Environment:
Last Closed: 2023-03-13 21:50:23 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2022-12-05 18:41:46 UTC 
A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function kcm_tx_work of the file net/kcm/kcmsock.c of the component kcm. The manipulation leads to race condition. It is recommended to apply a patch to fix this issue. VDB-211018 is the identifier assigned to this vulnerability.

Reference:
https://vuldb.com/?id.211018

Upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec7eede369fe5b0d085ac51fdbb95184f87bfc6c
Comment 1 Guilherme de Almeida Suckevicz 2022-12-05 18:42:13 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2150976]
Comment 2 Justin M. Forbes 2022-12-08 15:45:55 UTC 
This was fixed for Fedora with the 6.0.10 stable kernel updates.
Comment 6 Rohit Keshri 2023-03-13 18:05:25 UTC 
There was no shipped kernel version were seen affected with this problem. These files are not built in our source code.
Comment 7 Product Security DevOps Team 2023-03-13 21:50:20 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-3521
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