SB2022072524 - SUSE update for the Linux Kernel (Live Patch 20 for SLE 15 SP3)

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Main Vulnerability Database SB2022072524

SB2022072524 - SUSE update for the Linux Kernel (Live Patch 20 for SLE 15 SP3)

Published: July 25, 2022

Security Bulletin ID SB2022072524
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-39698)

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

The vulnerability exists due to a use-after-free error in Linux kernel. A local user can run a specially crafted program to trigger the use-after-free error and execute arbitrary code with elevated privileges.


2) Integer overflow (CVE-ID: CVE-2022-1116)

The vulnerability allows a local user to execute code with elevated privileges.

The vulnerability exists due to integer overflow in the io_uring subsystem in the Linux kernel. A local user can trigger integer overflow, cause a denial of service or execute arbitrary code with elevated privileges.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-20154)

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

The vulnerability exists due to unspecified error in the Linux Kernel. A local user can bypass security restrictions and escalate privileges on the system.


Remediation

Install update from vendor's website.

References