Use After Free in Cryptodev-linux
CVE-2026-28529
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/cryp…
Vulnerability class: Use-After-Free
EPSS: 0.000 (5.8th percentile) — read the EPSS interpretation.
Affected products
- Cryptodev-linux — versions 0
Weakness classification (CWE)
References
- nasm.re/posts/cryptodev-linux-vuln/ (technical-description, exploit)
- gist.github.com/n4sm/0fd2479e0c23e0fa2f192cd8fda45750 (exploit)
- github.com/cryptodev-linux/cryptodev-linux/pull/104 (patch)
- www.vulncheck.com/advisories/cryptodev-linux-get-userbuf-use-after-free-lpe (third-party-advisory)