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Privilege Escalation, DoS Vulnerabilities Patched in Xen

09
Sep
2016
Privilege Escalation, DoS Vulnerabilities Patched in Xen

Privilege Escalation, DoS Vulnerabilities Patched in Xen

The Xen Project reported on Thursday that it has patched a total of four vulnerabilities that can be exploited for privilege escalation or denial-of-service (DoS) attacks.

One of the flaws, described in the XSA-185 advisory and tracked as CVE-2016-7092, allows a malicious 32-bit PV (paravirtualization) guest administrator to escalate their privileges to that of the host.

The issue affects all versions of Xen, but it can only be exploited by 32-bit PV guests on x86 hardware – 64-bit PV guests, x86 HVM (Hardware Virtual Machine) guests and ARM guests are not impacted.

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