SB2022062240 - Red Hat Enterprise Linux 7.4 Advanced Update Support update for kernel 

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Main Vulnerability Database SB2022062240

SB2022062240 - Red Hat Enterprise Linux 7.4 Advanced Update Support update for kernel

Published: June 22, 2022 Updated: December 13, 2024

Security Bulletin ID SB2022062240
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-0492)

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

The vulnerability exists due to a logic error within the cgroup_release_agent_write() function in  kernel/cgroup/cgroup-v1.c. A local user can use the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation.


2) Race condition (CVE-ID: CVE-2022-1729)

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

The vulnerability exists due to a race condition within sys_perf_event_open() in Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


Remediation

Install update from vendor's website.

References