CVE-2026-89502: Linux

Описание

Оригинално описание

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.

Засегнати продукти

• Linux Linux: f9b94daa542a8d2532f0930f01cd9aec2d19621b преди 77275ccea06eaf297e8e6ac3fc830cb72086379a; f9b94daa542a8d2532f0930f01cd9aec2d19621b преди 8c1ecdcdea738efe0494af908f12c0ae3a97fffa; f9b94daa542a8d2532f0930f01cd9aec2d19621b преди 81063bbb16c4fcf0136c9117d5e49d3621dd6a1e; f9b94daa542a8d2532f0930f01cd9aec2d19621b преди 234b1a72e9706fe20c08c96f4374ec8e83b934cb
• Linux Linux: 6.8; преди 6.8; 6.12.109 до 6.12.*; 6.18.50 до 6.18.*; 7.2.4 до 7.2.*; от 7.3 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99265
• CVE-2026-99261
• CVE-2026-99260

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-89502
• https://nvd.nist.gov/vuln/detail/CVE-2026-89502
• 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