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: 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: 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: 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...

DEBIAN-CVE-2016-9922

The cirrusdocopy function in hw/display/cirrusvga.c in QEMU aka Quick Emulator, when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service divide-by-zero error and QEMU process crash via vectors involving blit pitch values...

Design/Logic Flaw

The cirrusdocopy function in hw/display/cirrusvga.c in QEMU aka Quick Emulator, when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service divide-by-zero error and QEMU process crash via vectors involving blit pitch values...

CVE-2016-9922

CVE-2016-9922 affects QEMU (Quick Emulator) in Cirrus VGA emulation. The vulnerability is in the cirrus_do_copy function (hw/display/cirrus_vga.c) when Cirrus graphics mode is VGA, where certain blit pitch values can trigger a divide-by-zero error, crashing the QEMU process and causing denial of ...

CVE-2016-9922

The cirrusdocopy function in hw/display/cirrusvga.c in QEMU aka Quick Emulator, when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service divide-by-zero error and QEMU process crash via vectors involving blit pitch values...

UBUNTU-CVE-2016-9922

The cirrusdocopy function in hw/display/cirrusvga.c in QEMU aka Quick Emulator, when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service divide-by-zero error and QEMU process crash via vectors involving blit pitch values...

qemu-kvm security and bug fix update

0.12.1.2-2.503.el6 - kvm-cirrus-fix-patterncopy-checks.patch bz1420487 bz1420489 - kvm-Revert-cirrus-allow-zero-source-pitch-in-pattern-fil.patch bz1420487 bz1420489 - kvm-cirrus-add-blitisunsafe-call-to-cirrusbitbltcput.patch bz1420487 bz1420489 - Resolves: bz1420487 EMBARGOED CVE-2017-2620...

FreeBSD : xen-tools -- Cirrus VGA Heap overflow via display refresh (af19ecd0-0f6a-11e7-970f-002590263bf5)

The Xen Project reports : A privileged user within the guest VM can cause a heap overflow in the device model process, potentially escalating their privileges to that of the device model process. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this...

Fedora 24 : 2:qemu (2017-62ac1230f7)

CVE-2017-5525: audio: memory leakage in ac97 bz 1414110 - CVE-2017-5526: audio: memory leakage in es1370 bz 1414210 - CVE-2016-10155 watchdog: memory leakage in i6300esb bz 1415200 - CVE-2017-5552: virtio-gpu-3d: memory leakage bz 1415283 - CVE-2017-5667: sd: sdhci OOB access during multi block...

Fedora 25 : xen (2017-3d16d348eb)

Cirrus VGA Heap overflow via display refresh XSA-211, CVE-2016-9603 1432041 Qemu: usb: an infinite loop issue in ohciserviceedlist CVE-2017-6505 1429433 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has...

Fedora 25 : 2:qemu (2017-31b976672b)

CVE-2016-7907: net: imx: infinite loop bz 1381182 - CVE-2017-5525: audio: memory leakage in ac97 bz 1414110 - CVE-2017-5526: audio: memory leakage in es1370 bz 1414210 - CVE-2016-10155 watchdog: memory leakage in i6300esb bz 1415200 - CVE-2017-5552: virtio-gpu-3d: memory leakage bz 1415283 -...

SUSE-SU-2017:0718-1 Security update for xen

This update for xen fixes several issues. These security issues were fixed: - CVE-2016-10155: The virtual hardware watchdog 'wdti6300esb' was vulnerable to a memory leakage issue allowing a privileged user to cause a DoS and/or potentially crash the Qemu process on the host bsc1024183 -...