SB2025102127 - SUSE update for the Linux Kernel (Live Patch 51 for SLE 15 SP3) 

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Main Vulnerability Database SB2025102127

SB2025102127 - SUSE update for the Linux Kernel (Live Patch 51 for SLE 15 SP3)

Published: October 21, 2025

Security Bulletin ID SB2025102127
Severity
Low
Patch available
YES
Number of vulnerabilities 4
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 4 secuirty vulnerabilities.


1) Incorrect calculation (CVE-ID: CVE-2025-21971)

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

The vulnerability exists due to incorrect calculation within the tc_ctl_tclass() function in net/sched/sch_api.c. A local user can perform a denial of service (DoS) attack.


2) Double free (CVE-ID: CVE-2025-38206)

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

The vulnerability exists due to a double free error within the exfat_free_upcase_table() function in fs/exfat/nls.c. A local user can perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2025-38499)

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

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


4) Use of uninitialized resource (CVE-ID: CVE-2025-38644)

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

The vulnerability exists due to use of uninitialized resource within the ieee80211_tdls_oper() function in net/mac80211/tdls.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References