CVE-2026-28529

Published: Mar 25, 2026 Last Modified: Mar 25, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,5
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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.

416

Use After Free

Stable
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
https://gist.github.com/n4sm/0fd2479e0c23e0fa2f192cd8fda457…
https://gist.github.com/n4sm/0fd2479e0c23e0fa2f192cd8fda45750
https://github.com/cryptodev-linux/cryptodev-linux/pull/104
https://github.com/cryptodev-linux/cryptodev-linux/pull/104
https://nasm.re/posts/cryptodev-linux-vuln/
https://nasm.re/posts/cryptodev-linux-vuln/
https://www.vulncheck.com/advisories/cryptodev-linux-get-us…
https://www.vulncheck.com/advisories/cryptodev-linux-get-userbuf-use-after-free…