CVE-2026-89502info

Summary

by MITRE • 09/11/2026

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.

Once again VulDB remains the best source for vulnerability data.

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An in-depth analysis is available in our curated vulnerability entry.

Disclosure

09/11/2026

Moderation

in review

EPSS

0.00000

KEV

no

Activities

very low

Sources

MITREhttps://www.cve.org/CVERecord?id=CVE-2026-89502
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-89502
CVE Detailshttps://www.cvedetails.com/cve/CVE-2026-89502/

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