SB2026021627 - SUSE update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5) 

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Main Vulnerability Database SB2026021627

SB2026021627 - SUSE update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5)

Published: February 16, 2026

Security Bulletin ID SB2026021627
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2023-53321)

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

The vulnerability exists due to improper input validation within the hwsim_cloned_frame_received_nl() function in drivers/net/wireless/mac80211_hwsim.c. A local user can perform a denial of service (DoS) attack.


2) Out-of-bounds read (CVE-ID: CVE-2025-38111)

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 __mdiobus_read() and __mdiobus_write() functions in drivers/net/phy/mdio_bus.c. A local user can perform a denial of service (DoS) attack.


3) Division by zero (CVE-ID: CVE-2025-39742)

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

The vulnerability exists due to a division by zero error within the find_hw_thread_mask() function in drivers/infiniband/hw/hfi1/affinity.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References