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 -...

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: potential arbitrary code execution via cirrus_bitblt_cputovideo

Quick emulator QEMU built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrusbitbltcputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute...

qemu-kvm security update

0.12.1.2-2.491.el68.7 - kvm-cirrus-fix-patterncopy-checks.patch bz1420486 bz1420488 - kvm-Revert-cirrus-allow-zero-source-pitch-in-pattern-fil.patch bz1420486 bz1420488 - kvm-cirrus-add-blitisunsafe-call-to-cirrusbitbltcput.patch bz1420486 bz1420488 - Resolves: bz1420486 EMBARGOED CVE-2017-2620...

OracleVM 3.4 : qemu-kvm (OVMSA-2017-0043)

The remote OracleVM system is missing necessary patches to address critical security updates : - kvm-cirrusvga-fix-division-by-0-for-color-expansion-rop .patch - kvm-cirrusvga-fix-off-by-one-in-blitregionisunsafe.p atch - kvm-display-cirrus-check-vga-bits-per-pixel-bpp-value.pa tch -...

USN-2439-1 qemu, qemu-kvm vulnerabilities

Michael S. Tsirkin discovered that QEMU incorrectly handled certain parameters during ram load while performing a migration. An attacker able to manipulate savevm data could use this issue to possibly execute arbitrary code on the host. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS,...