CVE-2020-27674
- State
- Published
- Severity
- Not scored
- Published
- Oct 22, 2020
- Updated
- Aug 4, 2024
- Reserved
- Oct 22, 2020
Description
An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://xenbits.xen.org/xsa/advisory-286.html
- GLSA-202011-06vendor-advisory
- FEDORA-2020-5398bfb466vendor-advisory
- FEDORA-2020-ec84c1565bvendor-advisory
- FEDORA-2020-6dd36a716cvendor-advisory
- DSA-4804vendor-advisory
- [oss-security] 20210119 Xen Security Advisory 286 v6 (CVE-2020-27674) - x86 PV guest INVLPG-like flushes may leave stale TLB entriesmailing-list
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