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CVE-2026-99124: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: s390/pci: Fix leak of uninitialized kernel data in SCLP report While report_error_write() checks that the provided buffer is at least as large as the header struct, but not that it is large enough to contain the report with the length claimed by report->length. If user-space provides a short buffer, meaning a larger report->length than the actually written payload, up to around 4K of kernel data from past the kmalloc(len + 1) sized buffer allocated in kernfs_fop_write_iter() will leak into the SCLP report. However, as the entity processing the SCLP is privileged and able to access at least the page including the report, this does not leak data that entity could not access but it is still an out of bounds read and a malformed error report that should be rejected.

    Засегнати продукти

    • Linux Linux: 368704a65be8620df795ccbeb44e025dafbc3e1f преди ad1be38823d4b6dbc88648da296ca0c0f8824a55; 368704a65be8620df795ccbeb44e025dafbc3e1f преди 61ce6f9a527932f4482ebe00847490f17d63a0d1; 368704a65be8620df795ccbeb44e025dafbc3e1f преди 332f2d867f64dd530517e9a58394e3eab454df12; 368704a65be8620df795ccbeb44e025dafbc3e1f преди ff31c34e921d11c7da3d7664ce495106267ca408; 368704a65be8620df795ccbeb44e025dafbc3e1f преди eb10f25e32576bb3dbbea4457648614537f04211; 368704a65be8620df795ccbeb44e025dafbc3e1f преди ba5001db9bb23ff7d2ea328c405c287ffb07786f; 368704a65be8620df795ccbeb44e025dafbc3e1f преди 126a7c227d8543e13903dd5622640c1f0fcc5a16; 368704a65be8620df795ccbeb44e025dafbc3e1f преди 8ac60ae2a307a50b599bf5d300b448d638f3ba29
    • Linux Linux: 4.7; преди 4.7; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.161 до 6.6.*; 6.12.115 до 6.12.*; 6.18.59 до 6.18.*; 7.2.13 до 7.2.*; от 7.3 нататък

    История

    • 28 октомври 2026 Публикувано

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    Първоизточници

    CVE-2026-99124: Linux | freedomonline.bg