CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

SuSE 11.2 Security Update : Xen (SAT Patch Number 8577)

Xen has been updated to fix a security issue and a bug : - XSA-73: A lock order reversal between page allocation and grant table locks could lead to host crashes or even host code execution. CVE-2013-4494 A non-security bug has also been fixed : - It is possible to start a VM twice on the same no...

Fedora 20 : xen-4.3.1-1.fc20 (2013-20517)

update to xen-4.3.1, Lock order reversal between page allocation and grant table lock ocaml xenstored mishandles oversized message replies systemd changes to allow oxenstored to be used instead of xenstored Note that Tenable Network Security has extracted the preceding description block directly...

Fedora 18 : xen-4.2.3-7.fc18 (2013-20544)

Lock order reversal between page allocation and grant table locks ocaml xenstored mishandles oversized message replies systemd changes to allow oxenstored to be used instead of xenstored Note that Tenable Network Security has extracted the preceding description block directly from the Fedora...

DEBIAN-CVE-2013-4494

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the pagealloclock and granttable.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service host deadlock via unspecified vectors...

Lock order reversal between page allocation and grant table locks

ISSUE DESCRIPTION The locks pagealloclock and granttable.lock are not always taken in the same order. This opens the possibility of deadlock. IMPACT A malicious guest administrator can deny service to the entire host. VULNERABLE SYSTEMS Xen versions going back to at least Xen 3.2 are vulnerable. ...

qemu disk backend (qdisk) resource leak

ISSUE DESCRIPTION The qdisk PV disk backend in the qemu-xen flavour of qemu "upstream qemu" can be influenced by a malicious frontend to leak mapped grant references. IMPACT A malicious HVM guest can cause the backend domain to run out of grant references, leading to a DoS for any other domain...

Debian Security Advisory DSA 2582-1 (xen - several vulnerabilities)

Multiple denial of service vulnerabilities have been discovered in the Xen Hypervisor. One of the issue CVE-2012-5513 could even lead to privilege escalation from guest to host. Some of the recently published Xen Security Advisories XSA 25 and 28 are not fixed by this update and should be fixed i...

Cloudflare Cross Site Scripting

Details below of an XSS vulnerability I discovered in Cloudflare markdown format - Glenn | /dev/alias http://blog.devalias.net http://devalias.net ----- Reference Number: DAHAX-2013-001 /dev/alias/hacks 2013-001 Notification Timeline: 10/07/2013, Request 38713...

Hackers Demonstrate Car Hacking using a laptop

Computer geeks already knew it was possible to hack into a car's computerized systems and finally, two U.S. hackers - Charlie Miller and Chris Valasek, sponsored by the Pentagon's research facility DARPA recently demonstrated just how easy it is for malicious hackers to physically hijack a modern...

DEBIAN-CVE-2013-1964

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

CVE-2013-1964

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

Information disclosure

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

CVE-2013-1964

Xen CVE-2013-1964: In Xen 4.0.x and 4.1.x, releasing a non-v1, non-transitive grant incorrectly releases a grant reference. This can allow local guest administrators to cause a host crash (DoS), potentially obtain sensitive information, and may have other unspecified impacts via vectors. Fixes ar...

CVE-2013-1964

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...

Debian Security Advisory DSA 2666-1 (xen - several vulnerabilities)

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2013-1918 XSA 45 several long latency operations are not preemptible. Some page table manipulation operations for PV guests were not made...

Debian: Security Advisory (DSA-2666-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2013 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

grant table hypercall acquire/release imbalance

ISSUE DESCRIPTION When releasing a non-v1 non-transitive grant after doing a grant copy operation, Xen incorrectly recurses as if for a transitive grant and releases an unrelated grant reference. IMPACT A malicious guest administrator can cause undefined behaviour; depending on the dom0 kernel a...

SuSE 11.2 Security Update : Xen (SAT Patch Number 7018)

XEN was updated to fix various bugs and security issues : The following security issues have been fixed : - xen: Domain builder Out-of-memory due to malicious kernel/ramdisk XSA 25. CVE-2012-4544 - XEN / qemu: guest administrator can access qemu monitor console XSA-19. CVE-2012-4411 - xen: Timer...

mysql: acl_get() stack-based buffer overflow

Stack-based buffer overflow in the aclget function in Oracle MySQL 5.5.19 and other versions through 5.5.28, and 5.1.53 and other versions through 5.1.66, and MariaDB 5.5.2.x before 5.5.28a, 5.3.x before 5.3.11, 5.2.x before 5.2.13 and 5.1.x before 5.1.66, allows remote authenticated users to...