Use After Free Affecting kernel-rt-kvm package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.2% (9th 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-CENTOS10-KERNELRTKVM-21715338
  • published26 Oct 2026
  • disclosed22 Aug 2026

Introduced: 22 Aug 2026

CVE-2026-74690  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 kernel-rt-kvm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

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

s390/ism: Fix UAF of sba and ieq during ism_dev_exit()

A ism interrupt handler can be active in parallel with ism_dev_exit(), accessing freed data structures.

No new interrupts will be generated after unregister_ieq(). Drain ongoing interrupt handlers by free_irq(), before freeing ism data structures.

CVSS Base Scores

version 3.1