SB2022120925 - openEuler 22.03 LTS update for kernel



SB2022120925 - openEuler 22.03 LTS update for kernel

Published: December 9, 2022

Security Bulletin ID SB2022120925
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) Buffer overflow (CVE-ID: CVE-2022-4139)

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

The vulnerability exists due to a boundary error within the i915 kernel driver on Linux kernel. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.



2) Integer overflow (CVE-ID: CVE-2022-45934)

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

The vulnerability exists due to integer overflow within the l2cap_config_req() function in net/bluetooth/l2cap_core.c in Linux kernel. A local user can pass specially crafted L2CAP_CONF_REQ packets to the device, trigger an integer overflow and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.