The remote host is affected by the vulnerability described in GLSA-201604-03 (Xen: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Xen. Please review the       CVE identifiers referenced below for details.
  Impact :

    A local attacker could possibly cause a Denial of Service condition or       obtain sensitive information.
  Workaround :

    There is no known workaround at this time.

Xen was updated to fix two security issues and a bug :

CVE-2015-3456: A buffer overflow in the floppy drive emulation, which could be used to carry out denial of service attacks or potential code execution against the host. This vulnerability is also known as VENOM.

CVE-2015-3340: Xen did not initialize certain fields, which allowed certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.

An exception in setCPUAffinity when restoring guests. (bsc#910441)

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

The XEN hypervisor was updated to fix two security issues :

  - Fixed a buffer overflow in the floppy drive emulation,     which could be used to denial of service attacks or     potential code execution against the host.
    (CVE-2015-3456)

  - Xen did not initialize certain fields, which allowed     certain remote service domains to obtain sensitive     information from memory via a (1) XEN_DOMCTL_gettscinfo     or (2) XEN_SYSCTL_getdomaininfolist request.
    (CVE-2015-3340)

Xen was updated to fix two security issues :

CVE-2015-3456: A buffer overflow in the floppy drive emulation, which could be used to carry out denial of service attacks or potential code execution against the host. This vulnerability is also known as VENOM.

CVE-2015-3340: An information leak through XEN_DOMCTL_gettscinfo().
(XSA-132)

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

Information leak through XEN_DOMCTL_gettscinfo [XSA-132, CVE-2015-3340]

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
90380	GLSA-201604-03 : Xen: Multiple vulnerabilities (Venom)	Nessus	Gentoo Local Security Checks	2016/4/7	2021/1/11	critical
83859	SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0944-1) (Venom)	Nessus	SuSE Local Security Checks	2015/5/27	2021/1/19	high
83965	openSUSE Security Update : xen (openSUSE-2015-391) (Venom)	Nessus	SuSE Local Security Checks	2015/6/3	2021/1/19	high
83853	SUSE SLED11 / SLES11 Security Update : Xen (SUSE-SU-2015:0927-1) (Venom)	Nessus	SuSE Local Security Checks	2015/5/27	2021/1/6	high
83856	SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0940-1) (Venom)	Nessus	SuSE Local Security Checks	2015/5/27	2021/1/19	high
83205	Fedora 20 : xen-4.3.4-3.fc20 (2015-6583)	Nessus	Fedora Local Security Checks	2015/5/4	2021/1/11	low

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low