SB2023112392 - Red Hat Enterprise Linux 8.6 Extended Update Support update for kpatch-patch

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Main Vulnerability Database SB2023112392

SB2023112392 - Red Hat Enterprise Linux 8.6 Extended Update Support update for kpatch-patch

Published: November 23, 2023

Security Bulletin ID SB2023112392
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-3609)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the the Linux kernel net/sched: cls_u32 component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2023-3776)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the the Linux kernel's net/sched: cls_fw component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References