This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-89502 →

DEBIAN-CVE-2026-89502

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Free cpu_buffer::free_page with subbuf_order When sub-buffers use a...

Original description

The description as published by the source.

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Free cpu_buffer::free_page with subbuf_order When sub-buffers use an order greater than 0, cpu_buffer->free_page is allocated with subbuf_order. Use the correct order for cpu_buffer->free_page.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:13 linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111-1"}]}]

Debian:14 linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.6-1"}]}]

Debian:12 linux-6.12

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111-1~deb12u1"}]}]

References

advisory security-tracker.debian.org