SB2026030679 - openEuler 20.03 LTS SP4 update for kernel

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Main Vulnerability Database SB2026030679

SB2026030679 - openEuler 20.03 LTS SP4 update for kernel

Published: March 6, 2026

Security Bulletin ID SB2026030679
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) Buffer overflow (CVE-ID: CVE-2023-53577)

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

The vulnerability exists due to memory corruption within the put_cpu_map_entry(), cpu_map_kthread_stop(), cpu_map_bpf_prog_run() and __cpu_map_entry_alloc() functions in kernel/bpf/cpumap.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2026-23216)

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

The vulnerability exists due to a use-after-free error within the iscsit_dec_conn_usage_count() function in drivers/target/iscsi/iscsi_target_util.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References