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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-28529 Detail

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulnCheck
CVSS-B 8.5 HIGH
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://gist.github.com/n4sm/0fd2479e0c23e0fa2f192cd8fda45750 VulnCheck
https://github.com/cryptodev-linux/cryptodev-linux/pull/104 VulnCheck
https://nasm.re/posts/cryptodev-linux-vuln/ VulnCheck
https://www.vulncheck.com/advisories/cryptodev-linux-get-userbuf-use-after-free-lpe VulnCheck

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free VulnCheck  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-28529
NVD Published Date:
03/25/2026
NVD Last Modified:
03/25/2026
Source:
VulnCheck