CVE-2026-28529 — cryptodev-linux <= 1.14 get_userbuf Use After Free LPE
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…
Published: 2026-03-25 · CVSS: 8.5 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7