VDB
CVE-2026-31628
CVE-2026-31628
PUBLISHED
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 0.02% · 6.7th percentile
Risk Scores
EPSS Score
0.02%
6.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 6.6.135, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, 5.10.253 |
| linux | linux_kernel | 0, 0, 0 |
Exploit Intelligence
- https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4 (circl)
- https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7 (circl)
- https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb (circl)
- https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f (circl)
- https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10 (circl)
- https://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25 (circl)
- https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3 (circl)
- https://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893 (circl)
- 4694.0.0.yml (github-poc)
- 4694.0.0.yml (github-poc)
…and 8 more exploits
Timeline
- Apr 24, 2026 CVE Published
- Apr 24, 2026 Security Advisory
- Apr 27, 2026 Security Advisory
- Apr 27, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4 url
- https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7 url
- https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb url
- https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f url
- https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10 url
- https://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25 url
- https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3 url
- https://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-31628 advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00004.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00005.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00051.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00052.html advisory