SB2025120430 - Ubuntu update for linux 

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Main Vulnerability Database SB2025120430

SB2025120430 - Ubuntu update for linux

Published: December 4, 2025

Security Bulletin ID SB2025120430
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) Out-of-bounds read (CVE-ID: CVE-2024-56596)

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 jfs_readdir() function in fs/jfs/jfs_dtree.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2023-52975)

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

The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL() and iscsi_session_teardown() functions in drivers/scsi/libiscsi.c, within the iscsi_sw_tcp_session_destroy() function in drivers/scsi/iscsi_tcp.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References