CVE-2026-31628None▾ SunlitIn 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 an…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
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.
Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < ed7a3a246309ccc807238f1b4f159ee6d37ff9c4Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 0548529af20e68c6552817834b766646dd3bd7a7Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 1272cfedf4cd1019ddf583917a99b62f2d3645bbLinux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 91f02726b2203b71545713ecb7fb006e60a2d66fLinux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < b731aca06387b195058a9f6449a03b62efa1bd10Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < ad17f07e95e6e8505e2153e5b391f0d27eacce25Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < e6af5286efe5a56128b34032572c9ce9ebeccda3Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 546785c719418c6166834a47e372a88f5f7ae893Linux >= f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < e55d98e7756135f32150b9b8f75d580d0d4b2dd3Linux 5abd1583e06b3963e5c9d915760367de86808b78Linux 4ba461d426490b6ed7e8298c4d3b7a13aa5d2686Linux 5a63725cd18fcee2af6ec46ccb856b64ad3077b4Linux >= 3.16.58 < 3.17Linux >= 4.4.144 < 4.5Linux >= 4.9.102 < 4.10Linux 4.14Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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