openSUSE Security Update : xen (openSUSE-2015-434) (Venom)

high Nessus Plugin ID 84333

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Synopsis

The remote openSUSE host is missing a security update.

Description

Xen was updated to 4.4.2 to fix multiple vulnerabilities and non-security bugs.

The following vulnerabilities were fixed :

- CVE-2015-4103: Potential unintended writes to host MSI message data field via qemu (XSA-128) (boo#931625)

- CVE-2015-4104: PCI MSI mask bits inadvertently exposed to guests (XSA-129) (boo#931626)

- CVE-2015-4105: Guest triggerable qemu MSI-X pass-through error messages (XSA-130) (boo#931627)

- CVE-2015-4106: Unmediated PCI register access in qemu (XSA-131) (boo#931628)

- CVE-2015-4164: DoS through iret hypercall handler (XSA-136) (boo#932996)

- CVE-2015-4163: GNTTABOP_swap_grant_ref operation misbehavior (XSA-134) (boo#932790)

- CVE-2015-3209: heap overflow in qemu pcnet controller allowing guest to host escape (XSA-135) (boo#932770)

- CVE-2015-3456: 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-2015-3340: 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. ()

- CVE-2015-2752: Long latency MMIO mapping operations are not preemptible (XSA-125 boo#922705)

- CVE-2015-2756: Unmediated PCI command register access in qemu (XSA-126 boo#922706)

- CVE-2015-2751: Certain domctl operations may be abused to lock up the host (XSA-127 boo#922709)

- CVE-2015-2151: Hypervisor memory corruption due to x86 emulator flaw (boo#919464 XSA-123)

- CVE-2015-2045: Information leak through version information hypercall (boo#918998 XSA-122)

- CVE-2015-2044: Information leak via internal x86 system device emulation (boo#918995 (XSA-121)

- CVE-2015-2152: HVM qemu unexpectedly enabling emulated VGA graphics backends (boo#919663 XSA-119)

- CVE-2014-3615: information leakage when guest sets high resolution (boo#895528)

The following non-security bugs were fixed :

- xentop: Fix memory leak on read failure

- boo#923758: xen dmesg contains bogus output in early boot

- boo#921842: Xentop doesn't display disk statistics for VMs using qdisks

- boo#919098: L3: XEN blktap device intermittently fails to connect

- boo#882089: Windows 2012 R2 fails to boot up with greater than 60 vcpus

- boo#903680: Problems with detecting free loop devices on Xen guest startup

- boo#861318: xentop reports 'Found interface vif101.0 but domain 101 does not exist.'

- boo#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores

- boo#910254: SLES11 SP3 Xen VT-d igb NIC doesn't work

- boo#912011: high ping latency after upgrade to latest SLES11SP3 on xen Dom0

- boo#906689: let systemd schedule xencommons after network-online.target and remote-fs.target so that xendomains has access to remote shares

The following functionality was enabled or enhanced :

- Enable spice support in qemu for x86_64

- Add Qxl vga support

- Enhancement to virsh/libvirtd 'send-key' command (FATE#317240)

- Add domain_migrate_constraints_set API to Xend's http interface (FATE#317239)

Solution

Update the affected xen packages.

Plugin Details

Severity: High

ID: 84333

File Name: openSUSE-2015-434.nasl

Version: 2.4

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/23/2015

Updated: 1/19/2021

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:xen-libs-debuginfo-32bit, p-cpe:/a:novell:opensuse:xen-debugsource, p-cpe:/a:novell:opensuse:xen-libs-32bit, cpe:/o:novell:opensuse:13.2, p-cpe:/a:novell:opensuse:xen-devel, p-cpe:/a:novell:opensuse:xen-doc-html, p-cpe:/a:novell:opensuse:xen-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:xen-libs-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domu, p-cpe:/a:novell:opensuse:xen-tools-domu-debuginfo, p-cpe:/a:novell:opensuse:xen, p-cpe:/a:novell:opensuse:xen-libs, p-cpe:/a:novell:opensuse:xen-kmp-default, p-cpe:/a:novell:opensuse:xen-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:xen-tools, p-cpe:/a:novell:opensuse:xen-tools-debuginfo, p-cpe:/a:novell:opensuse:xen-kmp-desktop

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/14/2015

Exploitable With

Core Impact

Reference Information

CVE: CVE-2014-3615, CVE-2015-2044, CVE-2015-2045, CVE-2015-2151, CVE-2015-2152, CVE-2015-2751, CVE-2015-2752, CVE-2015-2756, CVE-2015-3209, CVE-2015-3340, CVE-2015-3456, CVE-2015-4103, CVE-2015-4104, CVE-2015-4105, CVE-2015-4106, CVE-2015-4163, CVE-2015-4164

Detections

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