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x86: insufficient TLB flushing when using PCID

🗓️ 05 Mar 2019 12:00:00Reported by Xen ProjectType 
xen
 xen
🔗 xenbits.xen.org👁 187 Views

Use of PCID in Xen may lead to insufficient TLB flushing, allowing malicious PV guests to cause a host crash or gain unauthorized access to other guest data. Vulnerable x86 systems may also experience stability issues, even without an attack

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25 Oct 2019 11:10Current
0.2Low risk
Vulners AI Score0.2
CVSS 27.2
CVSS 3.18.8
EPSS0.00349
187