SB2025092639 - openEuler 22.03 LTS SP4 update for kernel



SB2025092639 - openEuler 22.03 LTS SP4 update for kernel

Published: September 26, 2025

Security Bulletin ID SB2025092639
Severity
Low
Patch available
YES
Number of vulnerabilities 9
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 9 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2022-50255)

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

The vulnerability exists due to improper input validation within the trace_string() and trace_event_raw_event_synth() functions in kernel/trace/trace_events_synth.c. A local user can perform a denial of service (DoS) attack.


2) Resource management error (CVE-ID: CVE-2022-50313)

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

The vulnerability exists due to resource management error within the erofs_fill_symlink() function in fs/erofs/inode.c. A local user can perform a denial of service (DoS) attack.


3) 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.


4) Memory leak (CVE-ID: CVE-2023-53221)

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

The vulnerability exists due to memory leak within the bpf_trampoline_get_progs() and bpf_trampoline_update() functions in kernel/bpf/trampoline.c. A local user can perform a denial of service (DoS) attack.


5) Out-of-bounds read (CVE-ID: CVE-2023-53357)

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 __acquires() function in drivers/md/md-bitmap.c. A local user can perform a denial of service (DoS) attack.


6) NULL pointer dereference (CVE-ID: CVE-2025-38695)

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

The vulnerability exists due to NULL pointer dereference within the lpfc_sli4_vport_delete_fcp_xri_aborted() function in drivers/scsi/lpfc/lpfc_scsi.c. A local user can perform a denial of service (DoS) attack.


7) 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.


8) Resource management error (CVE-ID: CVE-2025-39813)

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

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


9) Resource management error (CVE-ID: CVE-2025-39829)

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

The vulnerability exists due to resource management error within the register_ftrace_graph() function in kernel/trace/fgraph.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.