CVE-2026-74258: bpf: Guard __get_user acesss with access_ok for uprobe_multi data

Overview

Severity

Medium (CVSS 4.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-23

EPSS Score

0.15% (percentile: 5.0%)

Affected Products (1)

Other

• 21684-17084

Revision History

• 2026-08-23: Information published.