Use After Free Affecting kernel-uek-core package, versions <0:5.15.0-8.91.4.1.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.07% (32nd 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 ID SNYK-ORACLE8-KERNELUEKCORE-3363951
  • published 18 Mar 2023
  • disclosed 21 Sep 2022

How to fix?

Upgrade Oracle:8 kernel-uek-core to version 0:5.15.0-8.91.4.1.el8uek or higher.
This issue was patched in ELSA-2023-12196.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-core package and not the kernel-uek-core package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.

CVSS Scores

version 3.1
Expand this section

NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

8.4 high
Expand this section

Red Hat

5.5 medium