CVE-2024-27397 Affecting kernel-rt-debug-modules-partner package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELRTDEBUGMODULESPARTNER-6847610
  • published15 May 2024
  • disclosed8 May 2024

Introduced: 8 May 2024

CVE-2024-27397  (opens in a new tab)

How to fix?

There is no fixed version for Centos:9 kernel-rt-debug-modules-partner.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-partner package and not the kernel-rt-debug-modules-partner package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

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

netfilter: nf_tables: use timestamp to check for set element timeout

Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area.

Update set backend .insert, .deactivate and sync gc path to use the timestamp, this avoids that an element expires while control plane transaction is still unfinished.

.lookup and .update, which are used from packet path, still use the current time to check if the element has expired. And .get path and dump also since this runs lockless under rcu read size lock. Then, there is async gc which also needs to check the current time since it runs asynchronously from a workqueue.

CVSS Scores

version 3.1