CVE-2024-27395 Affecting rv package, versions <0:5.14.0-503.11.1.el9_5


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE9-RV-8388005
  • published20 Nov 2024
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2024-27395  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Oracle:9 rv to version 0:5.14.0-503.11.1.el9_5 or higher.
This issue was patched in ELSA-2024-9315.

NVD Description

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

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

net: openvswitch: Fix Use-After-Free in ovs_ct_exit

Since kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal of ovs_ct_limit_exit, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free.

To prevent this, it should be changed to hlist_for_each_entry_safe.

CVSS Scores

version 3.1