CVE-2026-98536: writeback: report a Tasks-RCU quiescent state per cgwb drain pass

Overview

Severity

Medium (CVSS 4.1)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-20

Last Updated

2026-10-20

EPSS Score

0.21% (percentile: 11.2%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-10-20: Information published.
• 2026-10-20: Information published.