Bug 2348255 (CVE-2022-49577) - CVE-2022-49577 kernel: udp: Fix a data-race around sysctl_udp_l3mdev_accept.
Summary: CVE-2022-49577 kernel: udp: Fix a data-race around sysctl_udp_l3mdev_accept.
Keywords:
Status: NEW
Alias: CVE-2022-49577
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 03:23 UTC by OSIDB Bzimport
Modified: 2025-04-03 16:20 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-02-26 03:23:02 UTC 
In the Linux kernel, the following vulnerability has been resolved:

udp: Fix a data-race around sysctl_udp_l3mdev_accept.

While reading sysctl_udp_l3mdev_accept, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Comment 1 Avinash Hanwate 2025-02-26 13:51:21 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022607-CVE-2022-49577-da62@gregkh/T
Comment 4 Avinash Hanwate 2025-02-26 18:06:47 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022607-CVE-2022-49577-da62@gregkh/T
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