Race condition in Linux kernel - CVE-2026-98069
Published: September 28, 2026
Vulnerability identifier: #VU152381
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98069
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 improper synchronization in rds_conn_shutdown() in the RDS networking subsystem when tearing down an RDS connection path. A remote attacker can race transmission or receive-refill operations with connection teardown to cause a denial of service.
Exploitation occurs on weakly ordered architectures.
Affected software
Linux kernel
How to mitigate CVE-2026-98069
Install security update from vendor's repository.