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CVE-2026-89498: 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: orangefs: fix double-free of trailer_buf on readdir copy failure On a readdir downcall, orangefs_devreq_write_iter() frees op->downcall.trailer_buf with vfree() when copy_from_iter_full() fails, but does not clear the pointer before goto Efault. The waiter in do_readdir() is then woken with a negative status and frees the same pointer again on its r < 0 path, causing a deterministic double-free. A client holding /dev/pvfs2-req triggers it by sending a readdir downcall whose declared trailer_size exceeds the bytes it supplies. Clear the pointer after freeing so the readdir-side vfree() becomes a no-op.

    Засегнати продукти

    • Linux Linux: 382f4581e67f57209c7aa67e39f26ba076306a2e преди 712c4235fcc73c11a2f1d59a499d489e49c374a4; 382f4581e67f57209c7aa67e39f26ba076306a2e преди 433c2e470053cc9c712314d3d8c3dfbc862d68eb; 382f4581e67f57209c7aa67e39f26ba076306a2e преди 6e5924644ef4bce06a3cbb7cb841a8bbfdfc03ad; 382f4581e67f57209c7aa67e39f26ba076306a2e преди 9c9eacc47c618ed6d7d35fe75a40d294c8cdbffa; 382f4581e67f57209c7aa67e39f26ba076306a2e преди 2f5454a25127854c232fde5d1d65d16fbcd42d43; 382f4581e67f57209c7aa67e39f26ba076306a2e преди f796f38a324e89547738f4b70cc33be5be2bc6da; 382f4581e67f57209c7aa67e39f26ba076306a2e преди 519f4146b8b8c5f20c2ad01913acd6df2df8fc8e; 382f4581e67f57209c7aa67e39f26ba076306a2e преди f574296be7f46eb60beca851240b526df232f480
    • Linux Linux: 4.12; преди 4.12; 5.10.270 до 5.10.*; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.109 до 6.12.*; 6.18.50 до 6.18.*; 7.2.4 до 7.2.*; от 7.3 нататък

    История

    • 11 септември 2026 Публикувано

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    Първоизточници

    CVE-2026-89498: Linux | freedomonline.bg