xen-kernel -- Information leak through XEN_DOMCTL_gettscinfo

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 XSA-7...

openSUSE Security Update : Linux Kernel (openSUSE-2015-302)

The Linux kernel was updated to fix bugs and security issues : Following security issues were fixed: CVE-2015-2830: A flaw was found in the way the Linux kernels 32-bit emulation implementation handled forking or closing of a task with an int80 entry. A local user could have potentially used this...

SUSE-SU-2015:0747-1 Security update for Xen

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 ...

Fedora 21 : xen-4.4.1-16.fc21 (2015-3944)

Additional patch for XSA-98 on arm64 HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 enable building pngs from fig files which is working again, fix oxenstored.service preset...

Fedora 20 : xen-4.3.3-12.fc20 (2015-3721)

HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 Information leak via internal x86 system device emulation, Information leak through version information hypercall Note that Tenable...

Fedora 22 : xen-4.5.0-6.fc22 (2015-3935)

Additional patch for XSA-98 on arm64 HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 Information leak via internal x86 system device emulation, Information leak through version...

OracleVM 2.2 : xen (OVMSA-2015-0035)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86emul: fully ignore segment override for register-only operations Jan Beulich CVE-2015-2151 This is XSA-123 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The package checks in this plugin wer...

OracleVM 3.3 : xen (OVMSA-2015-0031)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86emul: fully ignore segment override for register-only operations For ModRM encoded instructions with register operands we must not overwrite ea.mem.seg if a - bogus in that case - segment override...

OracleVM 3.3 : xen (OVMSA-2015-0026)

The remote OracleVM system is missing necessary patches to address critical security updates : - pre-fill structures for certain HYPERVISORxenversion sub-ops ... avoiding to pass hypervisor stack contents back to the caller through space unused by the respective strings. This is XSA-122...

OracleVM 2.2 : xen (OVMSA-2015-0027)

The remote OracleVM system is missing necessary patches to address critical security updates : - XSA-122: pre-fill structures for certain HYPERVISORxenversion sub-ops Jan Beulich 20588670 CVE-2015-2045 - XSA-121: return all ones on wrong-sized reads of system device I/O ports Jan Beulich 20588358...

openSUSE Security Update : xen (openSUSE-2015-129)

The XEN virtualization was updated to fix bugs and security issues : Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use after free on hvm guest teardown CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation CVE-2014-9030: XSA-113: Guest effectable page reference le...

Security update for xen (important)

The XEN virtualization was updated to fix bugs and security issues: Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use after free on hvm guest teardown CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation CVE-2014-9030: XSA-113: Guest effectable page reference lea...

OracleVM 3.0 : xen (OVMSA-2012-0035)

The remote OracleVM system is missing necessary patches to address critical security updates : - Xen Security Advisory CVE-2012-3433 / XSA-11 HVM guest destroy p2m teardown host DoS vulnerability An HVM guest is able to manipulate its physical address space such that tearing down the guest takes ...

OracleVM 3.1 : xen (OVMSA-2013-0032)

The remote OracleVM system is missing necessary patches to address critical security updates : - defer event channel bucket pointer store until after XSM checks Otherwise a dangling pointer can be left, which would cause subsequent memory corruption as soon as the space got re-allocated for some...

OracleVM 3.2 : xen (OVMSA-2013-0090)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/AMD: work around erratum 793 The recommendation is to set a bit in an MSR - do this if the firmware didn't, considering that otherwise we expose ourselves to a guest induced DoS. This is...

OracleVM 3.2 : xen (OVMSA-2013-0042)

The remote OracleVM system is missing necessary patches to address critical security updates : - Other than the HVM emulation path, the PV case so far failed to check that YMM state requires SSE state to be enabled, allowing for a GP to occur upon passing the inputs to XSETBV inside the hyperviso...

OracleVM 3.2 : xen (OVMSA-2013-0040)

The remote OracleVM system is missing necessary patches to address critical security updates : - libxc: limit cpu values when setting vcpu affinity When support for pinning more than 64 cpus was added, check for cpu out-of-range values was removed. This can lead to subsequent out-of-bounds cpumap...

OracleVM 3.2 : xen (OVMSA-2013-0072)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86: check segment descriptor read result in 64-bit OUTS emulation When emulating such an operation from a 64-bit context CS has long mode set, and the data segment is overridden to FS/GS, the result ...

OracleVM 2.2 : xen (OVMSA-2012-0058)

The remote OracleVM system is missing necessary patches to address critical security updates : XSA-27: hvm: Limit the size of large HVM op batches orabug 15907978 CVE-2012-5511 XSA-29: add missing guest address range checks to XENMEMexchange handlers orabug 15907996 CVE-2012-5513 XSA-30: xen: fix...

OracleVM 3.2 : xen (OVMSA-2013-0011)

The remote OracleVM system is missing necessary patches to address critical security updates : - oxenstored incorrect handling of certain Xenbus ring states Xen Security Advisory 38 CVE-2013-0215 Patch xsa38.patch The oxenstored daemon the ocaml version of the xenstore daemon does not correctly...