CVE-2026-68426: xfrm: fix stale skb->prev after async crypto steals a GSO segment

Overview

Severity

Medium (CVSS 4.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-11

Last Updated

2026-09-24

EPSS Score

0.36% (percentile: 27.3%)

Affected Products (3)

Other

• 21684-17084
• 21892-17084
• 21932-17084

Revision History

• 2026-08-11: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-09-24: Information published.