vulnerability
Red Hat: CVE-2020-27674: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Oct 22, 2020 | Jul 9, 2025 | Jul 9, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Oct 22, 2020
Added
Jul 9, 2025
Modified
Jul 9, 2025
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.
Solution
no-fix-redhat-rpm-package
References
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