SB2025121261 - openEuler 20.03 LTS SP4 update for kernel 



SB2025121261 - openEuler 20.03 LTS SP4 update for kernel

Published: December 12, 2025

Security Bulletin ID SB2025121261
Severity
Low
Patch available
YES
Number of vulnerabilities 10
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 10 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-50243)

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

The vulnerability exists due to a use-after-free error within the sctp_auth_set_key() and sctp_auth_set_active_key() functions in net/sctp/auth.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2022-50252)

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

The vulnerability exists due to a use-after-free error within the igb_alloc_q_vector() function in drivers/net/ethernet/intel/igb/igb_main.c. A local user can escalate privileges on the system.


3) Out-of-bounds read (CVE-ID: CVE-2022-50258)

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 brcmf_c_preinit_dcmds() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c. A local user can perform a denial of service (DoS) attack.


4) Memory leak (CVE-ID: CVE-2022-50321)

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

The vulnerability exists due to memory leak within the brcmf_netdev_start_xmit() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c. A local user can perform a denial of service (DoS) attack.


5) NULL pointer dereference (CVE-ID: CVE-2022-50555)

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

The vulnerability exists due to NULL pointer dereference within the tipc_conn_data_ready(), tipc_topsrv_listener_data_ready() and tipc_topsrv_stop() functions in net/tipc/topsrv.c. A local user can perform a denial of service (DoS) attack.


6) Resource management error (CVE-ID: CVE-2023-53148)

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

The vulnerability exists due to resource management error within the igb_io_error_detected() function in drivers/net/ethernet/intel/igb/igb_main.c. A local user can perform a denial of service (DoS) attack.


7) Use-after-free (CVE-ID: CVE-2023-53153)

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

The vulnerability exists due to a use-after-free error within the cfg80211_conn_work(), cfg80211_get_conn_bss(), cfg80211_sme_connect() and cfg80211_connect() functions in net/wireless/sme.c. A local user can escalate privileges on the system.


8) Out-of-bounds read (CVE-ID: CVE-2023-53222)

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 fs/jfs/jfs_filsys.h. A local user can perform a denial of service (DoS) attack.


9) Memory leak (CVE-ID: CVE-2025-38470)

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

The vulnerability exists due to memory leak within the __vlan_device_event() and vlan_device_event() functions in net/8021q/vlan.c. A local user can perform a denial of service (DoS) attack.


10) Improper locking (CVE-ID: CVE-2025-38617)

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

The vulnerability exists due to improper locking within the packet_set_ring() function in net/packet/af_packet.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.