SB2026070967 - openEuler 24.03 LTS SP3 update for kernel
Published: July 9, 2026
Security Bulletin ID
SB2026070967
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-45886)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper access control in the bpf_xdp_store_bytes helper prototype when verifying BPF programs that use read-only map values. A local user can load a crafted BPF program to cause a denial of service.
The issue is triggered when the third helper argument points to a value from a BPF_F_RDONLY_PROG map.
Remediation
Install update from vendor's website.