SUSE CVE-2013-4329

The xenlight library libxl in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction...

Security update for xen (important)

This update for xen to version 4.9.1 bsc1027519 fixes several issues. This new feature was added: - Support migration of HVM domains larger than 1 TB These security issues were fixed: - bsc1068187: Failure to recognize errors in the Populate on Demand PoD code allowed for DoS XSA-246 - bsc1068191...

SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2017:3115-1)

This update for xen to version 4.9.1 bsc1027519 fixes several issues. This new feature was added : - Support migration of HVM domains larger than 1 TB These security issues were fixed : - bsc1068187: Failure to recognize errors in the Populate on Demand PoD code allowed for DoS XSA-246 -...

qemu ioport array overflow

ISSUE DESCRIPTION The code in qemu which implements ioport read/write looks up the specified ioport address in a dispatch table. The argument to the dispatch function is a uint32t, and is used without a range check, even though the table has entries for only 2^16 ioports. When qemu is used as a...

virtio: unbounded memory allocation issue

ISSUE DESCRIPTION A guest can submit virtio requests without bothering to wait for completion and is therefore not bound by virtqueue size. This requires reusing vring descriptors in more than one request, which is incorrect but possible. Processing a request allocates a VirtQueueElement and...

libxl partially sets up HVM passthrough even with disabled iommu

ISSUE DESCRIPTION With HVM domains, libxl's setup of PCI passthrough devices does the IOMMU setup after giving via the device model the guest access to the hardware and advertising it to the guest. If the IOMMU is disabled the overall setup fails, but after the device has been made available to t...

Debian DSA-2543-1 : xen-qemu-dm-4.0 - multiple vulnerabilities

Multiple vulnerabilities have been discovered in xen-qemu-dm-4.0, the Xen QEMU Device Model virtual machine hardware emulator. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2012-3515 : The device model for HVM domains does not properly handle VT100...