Divide by zero in QEMU - CVE-2017-17381
Published: March 23, 2018
Vulnerability identifier: #VU11234
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-17381
CWE-ID: CWE-369
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The weakness exists due to divide by zero when unsetting vring alignment while updating Virtio rings. An adjacent attacker can cause the service to crash.
The weakness exists due to divide by zero when unsetting vring alignment while updating Virtio rings. An adjacent attacker can cause the service to crash.
How to mitigate CVE-2017-17381
Update to version 2.11.1 or later.