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CVE-2026-31628

x86/CPU: Fix FPDSS on Zen1

EPSS 0.1%
In the Linux kernel, the following vulnerability has been resolved: x86/CPU: Fix FPDSS on Zen1 Zen1's hardware divider can leave, under certain circumstances, partial results from previous operations. Those results can be leaked by another, attacker thread. Fix that with a chicken bit.
Productos afectados
Linux · Linux

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Referencias
https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bbhttps://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66fhttps://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10https://git.kernel.org/stable/c/e55d98e7756135f32150b9b8f75d580d0d4b2dd3https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4