SB2025092639 - openEuler 22.03 LTS SP4 update for kernel
Published: September 26, 2025
Breakdown by Severity
- 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.