Race condition in Linux kernel - CVE-2026-98072
Published: September 28, 2026
Vulnerability identifier: #VU152384
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98072
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper memory ordering in release_in_xmit() in the RDS networking component when concurrently releasing transmit state and checking for waiters. A local user can trigger a race between waiter registration and transmit-state release to cause a denial of service.
A lost wake-up can leave shutdown workers waiting indefinitely in uninterruptible wait operations.
Affected software
Linux kernel
How to mitigate CVE-2026-98072
Install security update from vendor's repository.