SB2026012070 - SUSE update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise 15 SP4) 



SB2026012070 - SUSE update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise 15 SP4)

Published: January 20, 2026

Security Bulletin ID SB2026012070
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2022-50327)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the acpi_processor_get_lpi_info() function in drivers/acpi/processor_idle.c. A local user can perform a denial of service (DoS) attack.


2) Out-of-bounds read (CVE-ID: CVE-2022-50490)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the __htab_map_lookup_and_delete_batch() function in kernel/bpf/hashtab.c. A local user can perform a denial of service (DoS) attack.


3) Buffer overflow (CVE-ID: CVE-2023-53676)

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

The vulnerability exists due to memory corruption within the lio_target_nacl_info_show() function in drivers/target/iscsi/iscsi_target_configfs.c. A local user can escalate privileges on the system.


4) Resource management error (CVE-ID: CVE-2025-40204)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the sctp_sf_authenticate() function in net/sctp/sm_statefuns.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.