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CVE-2025-21761

openvswitch: use RCU protection in ovs_vport_cmd_fill_info()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in e85a25d1a9985645e796039e843d1de581d2de1e; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in a8816b3f1f151373fd30f1996f00480126c8bb11; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in a884f57600e463f69d7b279c4598b865260b62a1; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in 7e01abc34e87abd091e619161a20f54ed4e3e2da; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in 8ec57509c36c8b9a23e50b7858dda0c520a2d074; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in a849a10de5e04d798f7f286a2f1ca174719a617a; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in 5828937742af74666192835d657095d95c53dbd0; From 9354d452034273a50a4fd703bea31e5d6b1fc20b · fixed in 90b2f49a502fa71090d9f4fe29a2f51fe5dff76d

  • Linux Linux

    4.15

  • KernelLinux

    From 4.15.0 · fixed in 5.4.291; From 5.5.0 · fixed in 5.10.235; From 5.11.0 · fixed in 5.15.179; From 5.16.0 · fixed in 6.1.129; From 6.2.0 · fixed in 6.6.79; From 6.7.0 · fixed in 6.12.16; From 6.13.0 · fixed in 6.13.4

References 8

git.kernel.org