vulnerability

Oracle Linux: CVE-2017-7980: ELSA-2017-1206: qemu-kvm security update (IMPORTANT) (Multiple Advisories)

Severity
4
CVSS
(AV:A/AC:H/Au:S/C:P/I:P/A:P)
Published
2017-03-15
Added
2017-05-09
Modified
2024-12-06

Description

Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.
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 the host with privileges of the QEMU process.

Solution(s)

oracle-linux-upgrade-qemu-guest-agentoracle-linux-upgrade-qemu-imgoracle-linux-upgrade-qemu-kvmoracle-linux-upgrade-qemu-kvm-commonoracle-linux-upgrade-qemu-kvm-tools
Title
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