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Debian DSA-3349-1 : qemu-kvm - security update
medium Nessus Plugin ID 85755
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Synopsis
The remote Debian host is missing a security-related update.Description
Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution on x86 hardware.- CVE-2015-5165 Donghai Zhu discovered that the QEMU model of the RTL8139 network card did not sufficiently validate inputs in the C+ mode offload emulation, allowing a malicious guest to read uninitialized memory from the QEMU process's heap.
- CVE-2015-5745 A buffer overflow vulnerability was discovered in the way QEMU handles the virtio-serial device. A malicious guest could use this flaw to mount a denial of service (QEMU process crash).
Solution
Upgrade the qemu-kvm packages.For the oldstable distribution (wheezy), these problems have been fixed in version 1.1.2+dfsg-6+deb7u9.
See Also
https://security-tracker.debian.org/tracker/CVE-2015-5165
https://security-tracker.debian.org/tracker/CVE-2015-5745
Plugin Details
Severity: Medium
ID: 85755
File Name: debian_DSA-3349.nasl
Version: 2.8
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 9/3/2015
Updated: 1/11/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:qemu-kvm, cpe:/o:debian:debian_linux:7.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 9/2/2015
Vulnerability Publication Date: 8/12/2015
Reference Information
CVE: CVE-2015-5165, CVE-2015-5745
DSA: 3349