SB20260924129 - Missing Authorization in Linux kernel rds
Published: September 24, 2026
Security Bulletin ID
SB20260924129
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-97476)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive network and socket information.
The vulnerability exists due to improper access control in the RDS_INFO_* getsockopt handlers when querying RDS information from a separate network namespace. A local user can call getsockopt with RDS_INFO_* options to disclose sensitive network and socket information.
Exploitation requires a fresh user namespace and network namespace.
Remediation
Install update from vendor's website.