Bug 2348295 (CVE-2022-49638) - CVE-2022-49638 kernel: icmp: Fix data-races around sysctl.
Summary: CVE-2022-49638 kernel: icmp: Fix data-races around sysctl.
Keywords:
Status: NEW
Alias: CVE-2022-49638
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 03:24 UTC by OSIDB Bzimport
Modified: 2025-03-25 18:48 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-02-26 03:24:28 UTC 
In the Linux kernel, the following vulnerability has been resolved:

icmp: Fix data-races around sysctl.

While reading icmp 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 19:36:19 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022618-CVE-2022-49638-e524@gregkh/T
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