SB20230816146 - Fedora 36 update for kernel



SB20230816146 - Fedora 36 update for kernel

Published: August 16, 2023

Security Bulletin ID SB20230816146
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2023-0597)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to memory leak within the Linux kernel cpu_entry_area mapping of X86 CPU data. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.