CVE-2025-40158 Affecting rv package, versions <0:5.14.0-611.30.1.el9_7


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.03% (8th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX9-RV-15275832
  • published13 Feb 2026
  • disclosed9 Feb 2026

Introduced: 9 Feb 2026

NewCVE-2025-40158  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 rv to version 0:5.14.0-611.30.1.el9_7 or higher.
This issue was patched in ALSA-2026:2212.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ipv6: use RCU in ip6_output()

Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF.

We can remove rcu_read_lock()/rcu_read_unlock() pairs from ip6_finish_output2().

CVSS Base Scores

version 3.1