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Redhat.comRH:CVE-2020-27674HistoryOct 23, 2020 - 7:04 p.m.
CVE-2020-27674
2020-10-2319:04:57
redhat.com
access.redhat.com
13
0.0005 Low
EPSS
Percentile
16.8%
A flaw was found in the Xen hypercalls with INVLPG-like behavior used by x86 PV guests to invalidate TLB entries. This flaw allows a malicious unprivileged guest user to escalate their privileges to the kernel level within the guest.
Mitigation
There is no known mitigation for this flaw apart from applying the patch.
Related
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x86 PV guest INVLPG-like flushes may leave stale TLB entries
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Xen: Multiple vulnerabilities
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