SB2023081665 - Fedora 37 update for kernel-6.1.5-200.fc37 kernel-headers-6.1.5-200.fc37 kernel-tools 



SB2023081665 - Fedora 37 update for kernel-6.1.5-200.fc37 kernel-headers-6.1.5-200.fc37 kernel-tools

Published: August 16, 2023

Security Bulletin ID SB2023081665
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Initialization (CVE-ID: CVE-2022-2196)

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

The vulnerability exists due to improper initialization within nVMX in Linux kernel. A local user can perform speculative execution attacks and escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2022-4379)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the __nfs42_ssc_open() function in fs/nfs/nfs4file.c. A remote attacker can perform a denial of service (DoS) attack.



Remediation

Install update from vendor's website.