SB2025080434 - SUSE update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP6) 

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Main Vulnerability Database SB2025080434

SB2025080434 - SUSE update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP6)

Published: August 4, 2025

Security Bulletin ID SB2025080434
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) Resource management error (CVE-ID: CVE-2025-21702)

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

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


2) Out-of-bounds read (CVE-ID: CVE-2025-37752)

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 sfq_change() function in net/sched/sch_sfq.c. A local user can perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2025-37797)

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

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


Remediation

Install update from vendor's website.

References