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8.1 High

CVE-2025-21762 In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() can…

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.

Affected products and versions

Product Affected versions Fixed in
Linux 6.14 earliest → < 6.14 6.14
Linux 6.13 earliest → < 6.13.4 6.13.4
Linux 6.12 earliest → < 6.12.16 6.12.16
Linux 6.6 earliest → < 6.6.79 6.6.79
Linux 6.1 earliest → < 6.1.129 6.1.129
Linux 5.15 earliest → < 5.15.179 5.15.179
Linux 5.10 earliest → < 5.10.235 5.10.235
Linux 5.4 earliest → < 5.4.291 5.4.291
Linux 4.4 No fix stated
Show the 2 other branches
Product Affected versions Fixed in
SIMATIC S7-1500 TM MFP - BIOS Versions not published
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Versions not published

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