Race condition in Linux kernel - CVE-2026-98068
Published: September 28, 2026
Vulnerability identifier: #VU152408
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98068
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a race condition in RDS TCP connection path shutdown handling when connection teardown races with acceptance of a new socket. A remote attacker can trigger concurrent connection teardown and socket acceptance to cause a denial of service.
The affected path can remain in RDS_CONN_DOWN with an established socket and a growing receive queue.
Affected software
Linux kernel
How to mitigate CVE-2026-98068
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3