SB20261022405 - Race condition in Linux kernel sched
Published: October 22, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2026-98792)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to potentially cause a denial of service.
The vulnerability exists due to a race condition in the Linux kernel netfilter flowtable subsystem when flow garbage collection overlaps with pending hardware offload work. A local user can trigger overlapping flow statistics retrieval and flow removal operations to potentially disrupt kernel operation and cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4033e1a9262c57dfbfc594a591a50fcba63c531a
- https://git.kernel.org/stable/c/4d52b72f3aa68ad0536444e36530bda75070194c
- https://git.kernel.org/stable/c/7c549fb7eecd01fdba7c0d12c01da876ef8a3214
- https://git.kernel.org/stable/c/a2cac45848d1cf31ed190db30f90ba8211e9a8ca
- https://git.kernel.org/stable/c/f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc