SB2025082094 - Resource management error in Linux kernel bpf
Published: August 20, 2025
Security Bulletin ID
SB2025082094
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 security vulnerability.
1) Resource management error (CVE-ID: CVE-2025-38591)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the bpf_skb_is_valid_access(), sock_addr_is_valid_access(), sock_ops_is_valid_access(), sk_msg_is_valid_access() and sk_lookup_is_valid_access() functions in net/core/filter.c, within the cg_sockopt_is_valid_access() function in kernel/bpf/cgroup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.