CVE-2026-28529EPSS p7.0%
CVE-2026-28529CVE-2026-28529
cryptodev-linux / cryptodev-linux
Description
cryptodev-linux version 1.14 and prior contain a page reference handling flaw in the get_userbuf function of the /dev/crypto device driver that allows local users to trigger use-after-free conditions. Attackers with access to the /dev/crypto interface can repeatedly decrement reference counts of controlled pages to achieve local privilege escalation.
Scoring
| CVSS | 7.8 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.18% probability of exploitation · percentile 7.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-17 |