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CVE-2026-99182: Linux

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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: ASoC: SOF: ipc4-topology: Fix shift-out-of-bounds for aggregated ALH capture When ch_count is smaller than blob->alh_cfg.device_count (e.g. a mono capture stream, such as a SmartMic, aggregated across multiple SDW links), step = ch_count / blob->alh_cfg.device_count truncates to 0. The subsequent GENMASK(step - 1, 0) then underflows step - 1 (u32) to UINT_MAX, causing GENMASK()'s internal shift to use an out-of-bounds exponent: UBSAN: shift-out-of-bounds in sound/soc/sof/ipc4-topology.c:2363:13 shift exponent 18446744069414584384 is too large for 64-bit type 'long unsigned int' Treat ch_count < device_count the same way as the existing "channels equal to output reference channels" case: apply the same ch_mask to every aggregated device instead of trying to split channels that can't be evenly divided.

    Засегнати продукти

    • Linux Linux: 0390a102cc18cb7456d6c1f15ac51f1af90fcf9c преди ef9342fa7433643f54de19b980e2aac0fae7201c; 0390a102cc18cb7456d6c1f15ac51f1af90fcf9c преди a92dee3a2a5e1ef05d13731b2f5e2eb9a3125e4e; 0390a102cc18cb7456d6c1f15ac51f1af90fcf9c преди cad63a7798d6a6cac1fc68732595f0a3278ff6f0; 0390a102cc18cb7456d6c1f15ac51f1af90fcf9c преди 5e1322787c5e424a570e87c8c2c25e37552cbe3b; 0390a102cc18cb7456d6c1f15ac51f1af90fcf9c преди 746de48c3a250f0c264105dcbfcdf0c5001e970b
    • Linux Linux: 6.3; преди 6.3; 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-2026-99182: Linux | freedomonline.bg