CVE-2026-28529
Last modified
CVE-2026-28529 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cryptodev-Linux | Cryptodev-Linux | <= 1.14 |
References
- https://github.com/cryptodev-linux/cryptodev-linux/pull/104Patch, Third Party Advisory
- https://nasm.re/posts/cryptodev-linux-vuln/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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