Buffer Overflow Affecting qemu package, versions <1:2.6+dfsg-3.1
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Availability
High
Threat Intelligence
EPSS
0.06% (26th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-QEMU-522383
- published 10 Dec 2016
- disclosed 10 Dec 2016
Introduced: 10 Dec 2016
CVE-2016-6490 Open this link in a new tabHow to fix?
Upgrade Debian:11
qemu
to version 1:2.6+dfsg-3.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:11
relevant fixed versions and status.
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.
References
- https://security-tracker.debian.org/tracker/CVE-2016-6490
- https://security.gentoo.org/glsa/201609-01
- http://git.qemu.org/?p=qemu.git;a=commit;h=1e7aed70144b4673fc26e73062064b6724795e5f
- https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg06246.html
- http://www.openwall.com/lists/oss-security/2016/07/28/4
- http://www.openwall.com/lists/oss-security/2016/07/28/9
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1e7aed70144b4673fc26e73062064b6724795e5f