The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - xsa224 xen: grant table operations mishandle reference counts (XSA-224) (CVE-2017-10921)

  - The qemu implementation in libvirt before 1.3.0 and Xen allows local guest OS users to cause a denial of     service (host disk consumption) by writing to stdout or stderr. (CVE-2014-3672)

  - Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary     code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS     set. (CVE-2015-3209)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, informations leaks or privilege escalation.

For Debian 8 'Jessie', these problems have been fixed in version 4.4.4lts1-0+deb8u1.

We recommend that you upgrade your xen packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
199537	RHEL 5 : xen (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/3/2024	critical
196085	RHEL 5 : xsa207_xen (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	medium
117349	Debian DLA-1493-1 : xen security update	Nessus	Debian Local Security Checks	9/7/2018	8/8/2024	medium

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