CVE-2025-21761

HIGH

Linux Kernel 4.15-6.13.4 Use-After-Free in ovs_vport_cmd_fill_info

Title source: llm
STIX 2.1

Description

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.

References (11)

Core 11
Core References

Scores

CVSS v3 7.8
EPSS 0.0023
EPSS Percentile 13.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (27)
linux/Kernel 4.15.0 - 5.4.291linux
linux/Kernel 5.11.0 - 5.15.179linux
linux/Kernel 5.16.0 - 6.1.129linux
linux/Kernel 5.5.0 - 5.10.235linux
linux/Kernel 6.13.0 - 6.13.4linux
linux/Kernel 6.2.0 - 6.6.79linux
linux/Kernel 6.7.0 - 6.12.16linux
Linux/Linux < 4.15
Linux/Linux 4.15
Linux/Linux 5.10.235 - 5.10.*
... and 17 more
Published Feb 27, 2025
Tracked Since Feb 18, 2026