Qemu: display: cirrus: OOB read access issue

An out-of-bounds access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data using bitblt functions for example, cirrusbitbltropfwdtransp. A privileged user inside a guest could use this flaw to crash the QEMU process, resulting in...

Important: Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update

An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and Agents for RHEL-7 and RHEV 4.X RHEV-H and Agents for RHEL-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...

Ubuntu 14.04 LTS / 16.04 LTS : QEMU vulnerabilities (USN-3289-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3289-1 advisory. Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing. A privileged attacker inside the guest could use this issue to...

USN-3289-1: QEMU vulnerabilities

Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2017-7377, CVE-2017-8086 Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. A...

USN-3289-1 qemu vulnerabilities

Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2017-7377, CVE-2017-8086 Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. A...

OracleVM 3.4 : qemu-kvm (OVMSA-2017-0101)

The remote OracleVM system is missing necessary patches to address critical security updates : - kvm-cirrus-avoid-write-only-variables.patch bz1444377 bz1444379 - kvm-cirrus-stop-passing-around-dst-pointers-in-the-blitt .patch - kvm-cirrus-stop-passing-around-src-pointers-in-the-blitt .patch -...

Scientific Linux Security Update : qemu-kvm on SL6.x i386/x86_64 (20170509)

Security Fixes : - A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use...

Oracle Linux 6 : qemu-kvm (ELSA-2017-1206)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-1206 advisory. - Resolves: bz1444377 CVE-2017-7980 qemu-kvm: Qemu: display: cirrus: OOB r/w access issues in bitblt routines rhel-6.9.z - Resolves: bz1444379...

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

An update for qemu-kvm is now available for Red Hat Enterprise Linux 6. 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: cirrus: heap buffer overflow via vnc connection

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash...

Qemu: display: cirrus: OOB r/w access issues in bitblt routines

An out-of-bounds r/w access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data via various bitblt functions. A privileged user inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on...

Qemu: display: cirrus: OOB read access issue

An out-of-bounds access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data using bitblt functions for example, cirrusbitbltropfwdtransp. A privileged user inside a guest could use this flaw to crash the QEMU process, resulting in...

Qemu: display: cirrus: OOB r/w access issues in bitblt routines

An out-of-bounds r/w access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data via various bitblt functions. A privileged user inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on...

Qemu: cirrus: heap buffer overflow via vnc connection

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash...

Qemu: display: cirrus: OOB read access issue

An out-of-bounds access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data using bitblt functions for example, cirrusbitbltropfwdtransp. A privileged user inside a guest could use this flaw to crash the QEMU process, resulting in...

qemu-kvm security update

0.12.1.2-2.503.el69.3 - kvm-cirrus-avoid-write-only-variables.patch bz1444377 bz1444379 - kvm-cirrus-stop-passing-around-dst-pointers-in-the-blitt.patch bz1444377 bz1444379 - kvm-cirrus-stop-passing-around-src-pointers-in-the-blitt.patch bz1444377 bz1444379 -...

EulerOS 2.0 SP1 : qemu-kvm (EulerOS-SA-2017-1079)

According to the version of the qemu-kvm package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support the issue could occur when a VNC client...

EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2017-1038)

According to the versions of the qemu-kvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Quick emulator QEMU built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while...

USN-3268-1: QEMU vulnerabilities

Zhenhao Hong discovered that QEMU incorrectly handled the Virtio GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2016-10028 It was discovered that QEMU incorrectly handled the JAZZ RC4030 device. A privileged attacker...

Qemu 'hw/display/cirrus_vga.c' Remote Code Execution Vulnerability Vulnerability

QEMU is an open source emulator software. Qemu 'hw/display/cirrusvga.c' suffers from a remote code execution vulnerability vulnerability that allows an attacker to exploit the vulnerability by submitting a special request that can execute arbitrary code...