CVE-2026-89502

CVE CVE-2026-89502EUVD EUVD-2026-76408Published 2026-09-11T19:43:50.000Z

What the advisory describes

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: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux patch: 7.2.4; patch: 6.12.109; patch: 7.3-rc1; 6.8; patch: 0; patch: 6.18.50; f9b94daa542a8d2532f0930f01cd9aec2d19621b <77275ccea06eaf297e8e6ac3fc830cb72086379a; f9b94daa542a8d2532f0930f01cd9aec2d19621b <8c1ecdcdea738efe0494af908f12c0ae3a97fffa; f9b94daa542a8d2532f0930f01cd9aec2d19621b <81063bbb16c4fcf0136c9117d5e49d3621dd6a1e; f9b94daa542a8d2532f0930f01cd9aec2d19621b <234b1a72e9706fe20c08c96f4374ec8e83b934cb

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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