CVE-2025-21761

high

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

https://git.kernel.org/stable/c/a849a10de5e04d798f7f286a2f1ca174719a617a

https://git.kernel.org/stable/c/90b2f49a502fa71090d9f4fe29a2f51fe5dff76d

https://git.kernel.org/stable/c/8ec57509c36c8b9a23e50b7858dda0c520a2d074

https://git.kernel.org/stable/c/7e01abc34e87abd091e619161a20f54ed4e3e2da

https://git.kernel.org/stable/c/5828937742af74666192835d657095d95c53dbd0

Details

Source: Mitre, NVD

Published: 2025-02-27

Updated: 2025-02-27

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High