CVE-2026-98084: bpf: backtracking shouldn't clear outer frame R1-R5 for callbacks

Overview

Severity

Medium (CVSS 6.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-27

EPSS Score

0.15% (percentile: 4.0%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-09-27: Information published.