EUVD-2014-7033

Malware in sbrugna...

Citrix XenServer Multiple Vulnerabilities (CTX218775)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities : - A flaw exists in the sniffnetware function within file tools/pygrub/src/pygrub when handling string quotes and S-expressions in the bootloader whenev...

CVE-2014-7155

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service guest crash or gain guest kernel mode privileges via vectors involving an 1 HLT, 2 LGDT, 3 LIDT, or 4...

CVE-2014-7156

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service guest crash via unspecified vectors...

Design/Logic Flaw

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service guest crash via unspecified vectors...

Information disclosure

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service guest crash or gain guest kernel mode privileges via vectors involving an 1 HLT, 2 LGDT, 3 LIDT, or 4...

CVE-2014-7156

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service guest crash via unspecified vectors...

CVE-2014-7155

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service guest crash or gain guest kernel mode privileges via vectors involving an 1 HLT, 2 LGDT, 3 LIDT, or 4...

CVE-2014-7156

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service guest crash via unspecified vectors...

CVE-2014-7155

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service guest crash or gain guest kernel mode privileges via vectors involving an 1 HLT, 2 LGDT, 3 LIDT, or 4...

CVE-2014-7155

CVE-2014-7155 : In Xen 4.4.x and earlier, the x86_emulate implementation in arch/x86/x86_emulate/x86_emulate.c fails to properly check supervisor mode permissions. This allows a local HVM user to crash the guest (DoS) or potentially elevate to guest kernel mode via the instructions HLT, LGDT, LID...

CVE-2014-7156

Technical details about CVE-2014-7156 (Xen x86_emulate permission check) are not publicly provided in the connected documents. Monitor for updates from security advisories and vendor bulletins for concrete impact, affected versions, and fixes.

RHEL 5 : kernel (RHSA-2011:1813)

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2011:1813 advisory. - kernel: sctp dos CVE-2011-2482 - kernel: rpc task leak after flocking NFS share CVE-2011-2491 - kernel: /proc/PID/io infoleak CVE-2011-249...

kernel security and bug fix update

2.6.18-274.3.1.0.1.el5 - fs nfs: Fix putnfsopencontext NULL pointer panic Joe Jin orabug 12687646 - scsi fix scsi hotplug and rescan race orabug 10260172 - fix filpclose race Joe Jin orabug 10335998 - fix missing aiocomplete in endio Joel Becker orabug 10365195 - make xenkbd.abspointer=1 by defau...