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CVE-2025-21762

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CVE-2025-21762

Published: Feb 27, 2025

Modified: May 12, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.

VendorProductVersions

Linux

Linux

affected
29a26a56803855a79dbd028cd61abee56237d6e5 - < 10f555e3f573d004ae9d89b3276abb58c4ede5c3
affected
29a26a56803855a79dbd028cd61abee56237d6e5 - < 307cd1e2d3cb1cbc6c40c679cada6d7168b18431
affected
29a26a56803855a79dbd028cd61abee56237d6e5 - < d9366ac2f956a1948b68c0500f84a3462ff2ed8a
affected
29a26a56803855a79dbd028cd61abee56237d6e5 - < f189654459423d4d48bef2d120b4bfba559e6039
affected
29a26a56803855a79dbd028cd61abee56237d6e5 - < e9f4dee534eb1b225b0a120395ad9bc2afe164d3

+3 more versions

Linux

Linux

affected
4.4
unaffected
0 - < 4.4
unaffected
5.4.291 - <= 5.4.*
unaffected
5.10.235 - <= 5.10.*
unaffected
5.15.179 - <= 5.15.*

+5 more versions

References

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