Bug 2348239 (CVE-2022-49639) - CVE-2022-49639 kernel: cipso: Fix data-races around sysctl.
Summary: CVE-2022-49639 kernel: cipso: Fix data-races around sysctl.
Keywords:
Status: NEW
Alias: CVE-2022-49639
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-26 03:22 UTC by OSIDB Bzimport
Modified: 2025-04-03 18:11 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-02-26 03:22:29 UTC 
In the Linux kernel, the following vulnerability has been resolved:

cipso: Fix data-races around sysctl.

While reading cipso sysctl variables, they can be changed concurrently.
So, we need to add READ_ONCE() to avoid data-races.
Comment 1 Avinash Hanwate 2025-02-26 20:19:17 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022618-CVE-2022-49639-a1b4@gregkh/T
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