Skip to main content
VulnerabilityPublished

ZDI-26-999: Linux Kernel Proc File System Pagemap Scan Use-After-Free Local Privilege Escalation Vulnerability

Source Zero Day Initiative

0
Severity
High

Rated High by Zero Day Initiative

Data as of 13 Nov 2026, 22:36 UTC

What to do

AI-suggested

Until a fix is available, restrict local code execution privileges to trusted users only.

Description

A local privilege escalation vulnerability exists in the Linux Kernel's proc file system pagemap scan functionality. Exploitation requires an attacker to have the ability to execute low-privileged code on the system. The vulnerability is rated with a high severity score of 8.8 by the Zero Day Initiative.

References

Community reviews

Loading reviews…