CVE-2026-74672: mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF

Overview

Severity

Medium (CVSS 5.2)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-24

Last Updated

2026-10-02

EPSS Score

0.21% (percentile: 10.9%)

Affected Products (2)

Other

• 21892-17084
• 21684-17084

Revision History

• 2026-08-24: Information published.
• 2026-08-24: Information published.
• 2026-09-23: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-10-02: Information published.