PT-2025-8873 · Linux+7 · Linux Kernel+7
Eric Dumazet
·
Published
2025-02-07
·
Updated
2026-04-20
·
CVE-2025-21761
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A vulnerability in the Linux kernel has been resolved. The issue is related to the openvswitch, specifically the
ovs vport cmd fill info() function, which can be called without RTNL or RCU protection. This could lead to a potential use-after-free (UAF) issue. To address this, RCU protection and dev net rcu() are used.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu