Memory allocation in QEMU - CVE-2017-15124

Vulnerability identifier: #VU11232

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-15124

CWE-ID: CWE-789

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to uncontrolled memory allocation when not throttling the framebuffer updates sent to the client. A remote attacker can cause the service to crash.

QEMU
Gentoo Linux
Amazon Linux AMI
Debian Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power
SUSE Linux
Red Hat Virtualization for IBM Power LE
Red Hat Virtualization
Red Hat OpenStack
Red Hat OpenStack for IBM Power

Update to version 2.11.1 or later.

• https://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/

• OpenSUSE Linux update for qemu
• SUSE Linux update for qemu
• SUSE Linux update for qemu
• Gentoo update for QEMU
• Red Hat update for qemu
• Debian update for qemu
• Amazon Linux AMI update for qemu-kvm
• Red Hat update for qemu-kvm-ma
• Red Hat update for qemu-kvm-rhev
• Red Hat update for qemu-kvm