Missing Authorization in Linux kernel - CVE-2026-97476
Published: September 24, 2026
Vulnerability identifier: #VU152015
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-97476
CWE-ID: CWE-862
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-97476
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3