Bug 2347648 (CVE-2022-49571) - CVE-2022-49571 kernel: tcp: Fix data-races around sysctl_tcp_max_reordering.
Summary: CVE-2022-49571 kernel: tcp: Fix data-races around sysctl_tcp_max_reordering.
Keywords:
Status: NEW
Alias: CVE-2022-49571
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-26 03:01 UTC by OSIDB Bzimport
Modified: 2025-03-26 16:19 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-02-26 03:01:42 UTC 
In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix data-races around sysctl_tcp_max_reordering.

While reading sysctl_tcp_max_reordering, it can be changed
concurrently.  Thus, we need to add READ_ONCE() to its readers.
Comment 1 Mauro Matteo Cascella 2025-02-26 13:20:40 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022606-CVE-2022-49571-74ee@gregkh/T
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