CVE-2026-89502

Not scored yetLast modified Oct 19, 2026

Description

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.

Metrics

No CVSS score has been published yet.

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
LinuxLinux>= f9b94daa542a8d2532f0930f01cd9aec2d19621b, < 77275ccea06eaf297e8e6ac3fc830cb72086379a; >= f9b94daa542a8d2532f0930f01cd9aec2d19621b, < 8c1ecdcdea738efe0494af908f12c0ae3a97fffa; >= f9b94daa542a8d2532f0930f01cd9aec2d19621b, < 81063bbb16c4fcf0136c9117d5e49d3621dd6a1e; >= f9b94daa542a8d2532f0930f01cd9aec2d19621b, < 234b1a72e9706fe20c08c96f4374ec8e83b934cb
LinuxLinux6.8

References

Timeline

Published
Sep 11, 2026
Last modified
Oct 19, 2026
NVD status
Received

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CVE-2026-89502: Unscored | Vulnix