SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:1299-1)

xen was updated to fix two security issues. These security issues were fixed : - CVE-2015-3259: xl command line config handling stack overflow bsc935634, XSA-137. - CVE-2015-5154: Host code execution via IDE subsystem CD-ROM bsc938344. The update package also includes non-security fixes. See...

OracleVM 3.3 : xen (OVMSA-2015-0095)

The remote OracleVM system is missing necessary patches to address critical security updates : - ide: Clear DRQ after handling all expected accesses This is additional hardening against an endtransferfunc that fails to clear the DRQ status bit. The bit must be unset as soon as the PIO transfer ha...

CVE-2015-5154

Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled, allows local guest users to execute arbitrary code on the host via unspecified ATAPI commands...

FreeBSD : xen-kernel -- Information leak through XEN_DOMCTL_gettscinfo (ce658051-27ea-11e5-a4a5-002590263bf5)

The Xen Project reports : The handler for XENDOMCTLgettscinfo failed to initialize a padding field subsequently copied to guest memory. A similar leak existed in XENSYSCTLgetdomaininfolist, which is being addressed here regardless of that operation being declared unsafe for disaggregation by...

Fedora 20 : xen-4.3.4-6.fc20 (2015-9965)

Heap overflow in QEMU PCNET controller, allowing guest-host escape XSA-135, CVE-2015-3209 1230537 GNTTABOPswapgrantref operation misbehavior XSA-134, CVE-2015-4163 vulnerability in the iret hypercall handler XSA-136, CVE-2015-4164 Potential unintended writes to host MSI message data field via qem...

Fedora 22 : xen-4.5.0-11.fc22 (2015-10001)

stubs-32.h is back, so revert to previous behaviour. Heap overflow in QEMU PCNET controller, allowing guest-host escape XSA-135, CVE-2015-3209. GNTTABOPswapgrantref operation misbehavior XSA-134, CVE-2015-4163. vulnerability in the iret hypercall handler XSA-136, CVE-2015-4164. Note that Tenable...

Fedora 21 : xen-4.4.2-6.fc21 (2015-9978)

Heap overflow in QEMU PCNET controller, allowing guest-host escape XSA-135, CVE-2015-3209. GNTTABOPswapgrantref operation misbehavior XSA-134, CVE-2015-4163. vulnerability in the iret hypercall handler XSA-136, CVE-2015-4164. Note that Tenable Network Security has extracted the preceding...

Security update for xen (important)

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 boo931625 CVE-2015-4104: PCI MSI mask bits inadvertently exposed to guests XSA-129...

Fedora 21 : xen-4.4.2-5.fc21 (2015-9466)

Potential unintended writes to host MSI message data field via qemu XSA-128, CVE-2015-4103, PCI MSI mask bits inadvertently exposed to guests XSA-129, CVE-2015-4104, Guest triggerable qemu MSI-X pass-through error messages XSA-130, CVE-2015-4105, Unmediated PCI register access in qemu XSA-131,...

Fedora 22 : xen-4.5.0-10.fc22 (2015-9456)

replace deprecated gnutls use in qemu-xen-traditional based on qemu-xen patches, work around a gcc 5 bug, Potential unintended writes to host MSI message data field via qemu XSA-128, CVE-2015-4103, PCI MSI mask bits inadvertently exposed to guests XSA-129, CVE-2015-4104, Guest triggerable qemu...

OracleVM 3.2 : xen (OVMSA-2015-0063)

The remote OracleVM system is missing necessary patches to address critical security updates : - xen/pt: unknown PCI config space fields should be read-only ... by default. Add a per-device 'permissive' mode similar to pciback's to allow restoring previous behavior and hence break security again,...

Fedora 22 : xen-4.5.0-9.fc22 (2015-8194) (Venom)

Privilege escalation via emulated floppy disk drive XSA-133, CVE-2015-3456 1221153 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...

SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0746-1)

The Virtualization service XEN was updated to fix various bugs and security issues. The following security issues have been fixed : CVE-2015-2756: XSA-126: Unmediated PCI command register access in qemu could have lead to denial of service attacks against the host, if PCI cards are passed through...

SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0745-1)

The Virtualization service XEN was updated to fix various bugs and security issues. The following security issues have been fixed : CVE-2015-2756: XSA-126: Unmediated PCI command register access in qemu could have lead to denial of service attacks against the host, if PCI cards are passed through...

SUSE SLED10 / SLES10 Security Update : Xen (SUSE-SU-2012:1606-1)

This update fixes the following security issues in xen : - CVE-2012-5513: XENMEMexchange may overwrite hypervisor memory XSA-29 - CVE-2012-5515: Several memory hypercall operations allow invalid extent order values XSA-31 Also the following bugs have been fixed and upstream patches have been...

OracleVM 3.2 : xen (OVMSA-2015-0058) (Venom)

The remote OracleVM system is missing necessary patches to address critical security updates : - force the fifo access to be in bounds of the allocated buffer This is CVE-2015-3456. bug 21078935 CVE-2015-3456 - xen: limit guest control of PCI command register Otherwise the guest can abuse that...

OracleVM 2.2 : xen (OVMSA-2015-0059) (Venom)

The remote OracleVM system is missing necessary patches to address critical security updates : - force the fifo access to be in bounds of the allocated buffer This is XSA-133. bug 21078975 CVE-2015-3456 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The package checks in this plugin were...

Fedora 20 : xen-4.3.4-3.fc20 (2015-6583)

Information leak through XENDOMCTLgettscinfo 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...

Fedora 21 : xen-4.4.2-3.fc21 (2015-6670)

Information leak through XENDOMCTLgettscinfo 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...

openSUSE Security Update : xen (openSUSE-2015-314)

Xen was updated to 4.3.4 to fix multiple vulnerabities and non-security bugs. The following vulnerabilities were fixed : - Long latency MMIO mapping operations are not preemptible XSA-125 CVE-2015-2752 bnc922705 - Unmediated PCI command register access in qemu XSA-126 CVE-2015-2756 bnc922706 -...