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 t…

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Mar 25, 2026 · NIST NVD

   Detected

   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.

2. Aug 17, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe cryptodev-linux/cryptodev-linuxversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-28529

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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/crypto interface can repeatedly decrement ref

  nvd.nist.gov

References

• Exploit · gist.github.com
• Patch · github.com
• Third Party Advisory · nasm.re
• Third Party Advisory · vulncheck.com