SB2023020649 - SUSE update for the Linux Kernel (Live Patch 30 for SLE 12 SP5) 



SB2023020649 - SUSE update for the Linux Kernel (Live Patch 30 for SLE 12 SP5)

Published: February 6, 2023

Security Bulletin ID SB2023020649
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) Use-after-free (CVE-ID: CVE-2022-3424)

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

The vulnerability exists due to a use-after-free error within the gru_set_context_option(), gru_fault() and gru_handle_user_call_os() functions in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


2) Buffer overflow (CVE-ID: CVE-2022-3565)

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the del_timer() function in drivers/isdn/mISDN/l1oip_core.c in the Bluetooth component. An attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.



Remediation

Install update from vendor's website.