Vulnerability/
https://seclists.org/oss-sec/2026/q3/683

https://seclists.org/oss-sec/2026/q3/683: Linux kernel LPEs: Zcopyaper (CVE-2026-43502) and 20 mo

Published Sep 8, 2026

Updated

Affected Software

1 affected component

Linux Kernel

Frequently Asked Questions

Are currently maintained stable kernel trees affected?

The issue is reported as fixed in all stable kernel trees. Systems running an updated stable kernel should include the fix.

How far back can this issue affect Linux kernels?

The vulnerable code was introduced before Linux 4.17. The provided information does not identify the exact first affected release.

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