Details
- Type
- Race Condition
- Impact
- Denial Of Service
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 11 September 2026
- Updated
- 15 October 2026
CVE-2026-89499 Linux Kernel - Race Condition
Linux kernel contains a race condition in ring-buffer remote reader update caused by improper handling of swap_reader_page callback failure, letting remote readers cause inconsistent page state, exploit requires event storm on small buffer.
CVSS base score
7.8
/10
High- CISA KEV
- Not listed
- Public exploit
- None known
- Authentication
- Required
- EPSS
- 0.17% chance of exploitation in 30 days