326 matches found
CVE-2008-3687
Heap-based buffer overflow in the flasksecuritylabel function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users domU to execute arbitrary code via the flaskop hypercall...
SUSE-SU-2015:1479-1 Security update for xen
xen was updated to fix the following security issues: CVE-2015-5165: QEMU leak of uninitialized heap memory in rtl8139 device model bsc939712, XSA-140 CVE-2015-5166: Use after free in QEMU/Xen block unplug protocol bsc939709, XSA-139 CVE-2015-2751: Certain domctl operations could have be used to...
FreeBSD : xen-kernel and xen-tools -- Long latency MMIO mapping operations are not preemptible (d40c66cb-27e4-11e5-a4a5-002590263bf5)
The Xen Project reports : The XENDOMCTLmemorymapping hypercall allows long running operations without implementing preemption. This hypercall is used by the device model as part of the emulation associated with configuration of PCI devices passed through to HVM guests and is therefore indirectly...
FreeBSD : xen-kernel -- Information leak through version information hypercall (ef9d041e-27e2-11e5-a4a5-002590263bf5)
The Xen Project reports : The code handling certain sub-operations of the HYPERVISORxenversion hypercall fails to fully initialize all fields of structures subsequently copied back to guest memory. Due to this hypervisor stack contents are copied into the destination of the operation, thus becomi...
FreeBSD : xen-kernel -- vulnerability in the iret hypercall handler (8c31b288-27ec-11e5-a4a5-002590263bf5)
The Xen Project reports : A buggy loop in Xen's compatiret function iterates the wrong way around a 32-bit index. Any 32-bit PV guest kernel can trigger this vulnerability by attempting a hypercalliret with EFLAGS.VM set. Given the use of get/putuser, and that the virtual addresses in question ar...
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 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...
Security update for xen (important)
Xen was updated to fix eight vulnerabilities. The following vulnerabilities were fixed: CVE-2015-2751: Certain domctl operations may be abused to lock up the host XSA-127 boo922709 CVE-2015-4103: Potential unintended writes to host MSI message data field via qemu XSA-128 boo931625 CVE-2015-4104:...
[SECURITY] [DSA 3286-1] xen security update
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3286-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 13, 2015 https://www.debian.org/security/faq -...
CVE-2015-4164
The compatiret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service large loop and system hang via a hypercalliret call with EFLAGS.VM set...
DEBIAN-CVE-2015-4164
The compatiret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service large loop and system hang via a hypercalliret call with EFLAGS.VM set...
CVE-2015-4163
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...
DEBIAN-CVE-2015-4163
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...
CVE-2015-4163
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...
Null pointer dereference
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...
CVE-2015-4163
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...
UBUNTU-CVE-2015-4164
The compatiret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service large loop and system hang via a hypercalliret call with EFLAGS.VM set...
CVE-2015-4163
CVE-2015-4163 affects Xen 4.2–4.5 and stems from GNTTABOP_swap_grant_ref not checking the grant-table operation version, enabling a local guest to cause a denial of service via a NULL pointer dereference when a hypercall is issued without GNTTABOP_setup_table or GNTTABOP_set_version. Impact is li...
CVE-2015-4163
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...
CVE-2015-4163
GNTTABOPswapgrantref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service NULL pointer dereference via a hypercall without a GNTTABOPsetuptable or GNTTABOPsetversion...