CVE-2026-31628
Last modified
CVE-2026-31628 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.16.58, < 3.17 |
| Linux | Linux Kernel | >= 4.4.144, < 4.5 |
| Linux | Linux Kernel | >= 4.9.102, < 4.10 |
| Linux | Linux Kernel | >= 4.14.1, < 5.10.253 |
| Linux | Linux Kernel | >= 5.11, < 5.15.203 |
| Linux | Linux Kernel | >= 5.16, < 6.1.169 |
| Linux | Linux Kernel | >= 6.2, < 6.6.135 |
| Linux | Linux Kernel | >= 6.7, < 6.12.82 |
| Linux | Linux Kernel | >= 6.13, < 6.18.23 |
| Linux | Linux Kernel | >= 6.19, < 6.19.13 |
| Linux | Linux Kernel | >= 7.0, < 7.0.1 |
| Linux | Linux Kernel | 4.14 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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