CVE-2026-28529

N/A

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.

CVE Details

CVSS v3.1 ScoreN/A

Published3/25/2026

Last Modified3/25/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-416

References

https://gist.github.com/n4sm/0fd2479e0c23e0fa2f192cd8fda45750(disclosure@vulncheck.com)

https://github.com/cryptodev-linux/cryptodev-linux/pull/104(disclosure@vulncheck.com)

https://nasm.re/posts/cryptodev-linux-vuln/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/cryptodev-linux-get-userbuf-use-after-free-lpe(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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