SB2025092641 - openEuler 20.03 LTS SP4 update for kernel



SB2025092641 - openEuler 20.03 LTS SP4 update for kernel

Published: September 26, 2025

Security Bulletin ID SB2025092641
Severity
Low
Patch available
YES
Number of vulnerabilities 6
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 6 secuirty vulnerabilities.


1) Memory leak (CVE-ID: CVE-2022-50312)

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

The vulnerability exists due to memory leak within the jsm_probe_one() function in drivers/tty/serial/jsm/jsm_driver.c. A local user can perform a denial of service (DoS) attack.


2) Memory leak (CVE-ID: CVE-2022-50343)

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

The vulnerability exists due to memory leak within the rio_setup_device() function in drivers/rapidio/rio-scan.c. A local user can perform a denial of service (DoS) attack.


3) Memory leak (CVE-ID: CVE-2022-50389)

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

The vulnerability exists due to memory leak within the crb_acpi_add() function in drivers/char/tpm/tpm_crb.c. A local user can perform a denial of service (DoS) attack.


4) Improper locking (CVE-ID: CVE-2023-53149)

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

The vulnerability exists due to improper locking within the free_ext_block(), ext4_ext_migrate() and ext4_ind_migrate() functions in fs/ext4/migrate.c. A local user can perform a denial of service (DoS) attack.


5) NULL pointer dereference (CVE-ID: CVE-2023-53332)

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

The vulnerability exists due to NULL pointer dereference within the EXPORT_SYMBOL_GPL() and ipi_send_verify() functions in kernel/irq/ipi.c. A local user can perform a denial of service (DoS) attack.


6) Improper locking (CVE-ID: CVE-2025-39773)

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

The vulnerability exists due to improper locking within the net/bridge/br_private.h. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.