The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2015-0068 for details.

Race condition in HVMOP_track_dirty_vram [XSA-104] (#1145736) Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation [XSA-105] (#1145737) Missing privilege level checks in x86 emulation of software interrupts [XSA-106] (#1145738)

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.

XEN was updated to fix security issues and bugs.

Security issues fixed :

  - bnc#897657 - CVE-2014-7188: XSA-108 Improper MSR range     used for x2APIC emulation

  - bnc#895802 - CVE-2014-7156: XSA-106: Missing privilege     level checks in x86 emulation of software interrupts

  - bnc#895799 - CVE-2014-7155: XSA-105: Missing privilege     level checks in x86 HLT, LGDT, LIDT, and LMSW emulation

  - bnc#895798 - CVE-2014-7154: XSA-104: Race condition in     HVMOP_track_dirty_vram

  - bnc#864801 - CVE-2013-4540: qemu: zaurus: buffer overrun     on invalid state load

  - bnc#875668 - CVE-2014-3124: XSA-92: HVMOP_set_mem_type     allows invalid P2M entries to be created

  - bnc#878841 - CVE-2014-3967, CVE-2014-3968: XSA-96: Xen:
    Vulnerabilities in HVM MSI injection

  - bnc#880751 - CVE-2014-4021: XSA-100: Hypervisor heap     contents leaked to guests

  - bnc#842006 - CVE-2013-4344: XSA-65: xen: qemu SCSI     REPORT LUNS buffer overflow 

Other bugs fixed :

  - bnc#896023 - Adjust xentop column layout

  - bnc#820873 - The 'long' option doesn't work with 'xl     list'

  - bnc#882127 - Xen kernel panics on booting SLES12 Beta 8

  - bnc#865682 - Local attach support for PHY backends using     scripts

  - bnc#798770 - Improve multipath support for npiv devices

The remote host is affected by the vulnerability described in GLSA-201412-42 (Xen: Denial of Service)

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

    A local user could possibly cause a Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

xen was updated to fix 14 security issues :

  - Guest effectable page reference leak in     MMU_MACHPHYS_UPDATE handling (CVE-2014-9030).

  - Insufficient bounding of 'REP MOVS' to MMIO emulated     inside the hypervisor (CVE-2014-8867).

  - Missing privilege level checks in x86 HLT, LGDT, LIDT,     and LMSW emulation (CVE-2014-7155).

  - Hypervisor heap contents leaked to guests     (CVE-2014-4021).

  - Missing privilege level checks in x86 emulation of far     branches (CVE-2014-8595).

  - Insufficient restrictions on certain MMU update     hypercalls (CVE-2014-8594).

  - Intel VT-d Interrupt Remapping engines can be evaded by     native NMI interrupts (CVE-2013-3495).

  - Missing privilege level checks in x86 emulation of     software interrupts (CVE-2014-7156).

  - Race condition in HVMOP_track_dirty_vram     (CVE-2014-7154).

  - Improper MSR range used for x2APIC emulation     (CVE-2014-7188).

  - HVMOP_set_mem_type allows invalid P2M entries to be     created (CVE-2014-3124).

  - HVMOP_set_mem_access is not preemptible (CVE-2014-2599).

  - Excessive checking in compatibility mode hypercall     argument translation (CVE-2014-8866).

  - Guest user mode triggerable VM exits not handled by     hypervisor (bnc#903850).

The update package also includes non-security fixes. See advisory for details.

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.

Improper MSR range used for x2APIC emulation [XSA-108, CVE-2014-7188] Race condition in HVMOP_track_dirty_vram [XSA-104] (#1145736) Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation [XSA-105] (#1145737) Missing privilege level checks in x86 emulation of software interrupts [XSA-106] (#1145738)

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
84140	OracleVM 3.2 : xen (OVMSA-2015-0068) (POODLE) (Venom)	Nessus	OracleVM Local Security Checks	2015/6/12	2021/1/4	low
77933	Fedora 21 : xen-4.4.1-4.fc21 (2014-11271)	Nessus	Fedora Local Security Checks	2014/9/29	2021/1/11	medium
78117	openSUSE Security Update : xen (openSUSE-SU-2014:1281-1)	Nessus	SuSE Local Security Checks	2014/10/10	2021/1/19	high
80263	GLSA-201412-42 : Xen: Denial of Service	Nessus	Gentoo Local Security Checks	2014/12/29	2021/1/6	high
83654	SUSE SLES11 Security Update : xen (SUSE-SU-2014:1710-1)	Nessus	SuSE Local Security Checks	2015/5/20	2021/1/19	high
78375	Fedora 19 : xen-4.2.5-3.fc19 (2014-12000)	Nessus	Fedora Local Security Checks	2014/10/12	2021/1/11	high

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