Important: Red Hat Security Advisory: qemu-kvm security update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

qemu: incorrect banked access bounds checking in vga module

An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions VBE support performed read/write operations using I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU...

qemu: incorrect banked access bounds checking in vga module

An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions VBE support performed read/write operations using I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU...

QEMU: Banked access to VGA memory (VBE) uses inconsistent bounds checks

ISSUE DESCRIPTION Qemu VGA module allows banked access to video memory using the window at 0xa00000 and it supports different access modes with different address calculations. But an attacker can easily change access modes after setting the bank register. This is CVE-2016-3710. Qemu VGA module...

xen-tools -- QEMU: Banked access to VGA memory (VBE) uses inconsistent bounds checks

The Xen Project reports: Qemu VGA module allows banked access to video memory using the window at 0xa00000 and it supports different access modes with different address calculations. Qemu VGA module allows guest to edit certain registers in 'vbe' and 'vga' modes. A privileged guest user could use...

qemu-kvm security update

1.5.3-105.el72.4 - kvm-vga-Remove-some-should-be-done-in-BIOS-comments.patch bz1331412 - kvm-vga-fix-banked-access-bounds-checking-CVE-2016-3710.patch bz1331412 - kvm-vga-add-vbeenabled-helper.patch bz1331412 - kvm-vga-factor-out-vga-register-setup.patch bz1331412 -...

UBUNTU-CVE-2016-3710

The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue...

CVE-2016-3710

The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue...

CVE-2016-3712

Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service out-of-bounds read and QEMU process crash by editing VGA registers in VBE mode...

F5 Networks BIG-IP : Multiple QEMU vulnerabilities (K63519101)

CVE-2014-8106 Heap-based buffer overflow in the Cirrus VGA emulator hw/display/cirrusvga.c in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320. CVE-2015-3209...

KL-001-2015-004 : XGI Windows VGA Display Manager Arbitrary Write Privilege Escalation

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 KL-001-2015-004 : XGI Windows VGA Display Manager Arbitrary Write Privilege Escalation Title: XGI Windows VGA Display Manager Arbitrary Write Privilege Escalation Advisory ID: KL-001-2015-004 Publication Date: 2015.09.01 Publication URL:...

KL-001-2015-003 : SiS Windows VGA Display Manager Multiple Privilege Escalation

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 KL-001-2015-003 : SiS Windows VGA Display Manager Multiple Privilege Escalation Title: SiS Windows VGA Display Manager Multiple Privilege Escalation Advisory ID: KL-001-2015-003 Publication Date: 2015.09.01 Publication URL:...

CVE-2015-5465

CVE-2015-5465 affects Silicon Integrated Systems Windows XP Display Manager (6.14.10.3930). The vulnerability is a privilege-escalation in the srvkp driver (srvkp.sys) triggered via crafted IOCTL calls 0x96002400 and 0x96002404, enabling memory corruption/write-what-where and potentially arbitrar...

SiS Windows VGA Display Manager 6.14.10.3930 Multiple Privilege Escalation

KL-001-2015-003 : SiS Windows VGA Display Manager Multiple Privilege Escalation Title: SiS Windows VGA Display Manager Multiple Privilege Escalation Advisory ID: KL-001-2015-003 Publication Date: 2015.09.01 Publication URL: https://www.korelogic.com/Resources/Advisories/KL-001-2015-003.txt 1...

SiS Windows VGA Display Manager 6.14.10.3930 - Write-What-Where (PoC)

KL-001-2015-003 : SiS Windows VGA Display Manager Multiple Privilege Escalation Title: SiS Windows VGA Display Manager Multiple Privilege Escalation Advisory ID: KL-001-2015-003 Publication Date: 2015.09.01 Publication URL: https://www.korelogic.com/Resources/Advisories/KL-001-2015-003.txt 1...

XGI Windows VGA Display Manager 6.14.10.1090 - Arbitrary Write (PoC)

KL-001-2015-004 : XGI Windows VGA Display Manager Arbitrary Write Privilege Escalation Title: XGI Windows VGA Display Manager Arbitrary Write Privilege Escalation Advisory ID: KL-001-2015-004 Publication Date: 2015.09.01 Publication URL:...

XGI Windows VGA Display Manager Arbitrary Write Privilege Escalation

Vulnerability Details Affected Vendor: Silicon Integrated Systems Corporation Affected Product: XGI VGA Display Manager Affected Version: 6.14.10.1090 Platform: Microsoft Windows XP SP3 CWE Classification: CWE-123: Write-what-where condition Impact: Arbitrary Code Execution Attack vector: IOCTL...

SiS Windows VGA Display Manager 6.14.10.3930 - Write-What-Where PoC

Exploit for windows platform in category dos / poc Title: SiS Windows VGA Display Manager Multiple Privilege Escalation Publication Date: 2015.09.01 Publication URL: https://www.korelogic.com/Resources/Advisories/KL-001-2015-003.txt 1. Vulnerability Details Affected Vendor: Silicon Integrated...

FreeBSD : xen-tools -- HVM qemu unexpectedly enabling emulated VGA graphics backends (0d732fd1-27e0-11e5-a4a5-002590263bf5)

The Xen Project reports : When instantiating an emulated VGA device for an x86 HVM guest qemu will by default enable a backend to expose that device, either SDL or VNC depending on the version of qemu and the build time configuration. The libxl toolstack library does not explicitly disable these...

openSUSE Security Update : xen (openSUSE-2015-434) (Venom)

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...