CVE-2026-89502
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | f9b94daa542a8d2532f0930f01cd9aec2d19621b < 77275ccea06eaf297e8e6ac3fc830cb72086379a | affected |
| Linux | Linux | f9b94daa542a8d2532f0930f01cd9aec2d19621b < 8c1ecdcdea738efe0494af908f12c0ae3a97fffa | affected |
| Linux | Linux | f9b94daa542a8d2532f0930f01cd9aec2d19621b < 81063bbb16c4fcf0136c9117d5e49d3621dd6a1e | affected |
| Linux | Linux | f9b94daa542a8d2532f0930f01cd9aec2d19621b < 234b1a72e9706fe20c08c96f4374ec8e83b934cb | affected |
| Linux | Linux | 6.8 | affected |
| Linux | Linux | 0 < 6.8 | unaffected |
| Linux | Linux | 6.12.109 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.50 <= 6.18.* | unaffected |
| Linux | Linux | 7.2.4 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/77275ccea06eaf297e8e6ac3fc830cb72086379a
- https://git.kernel.org/stable/c/8c1ecdcdea738efe0494af908f12c0ae3a97fffa
- https://git.kernel.org/stable/c/81063bbb16c4fcf0136c9117d5e49d3621dd6a1e
- https://git.kernel.org/stable/c/234b1a72e9706fe20c08c96f4374ec8e83b934cb
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