Buffer Overflow Affecting qemu package, versions <1:2.7+dfsg-1
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Scope
Changed
Availability
High
Threat Intelligence
EPSS
0.06% (25th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-QEMU-428096
- published 10 Dec 2016
- disclosed 10 Dec 2016
Introduced: 10 Dec 2016
CVE-2016-7422 Open this link in a new tabHow to fix?
Upgrade Debian:10
qemu
to version 1:2.7+dfsg-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:10
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 (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.
References
- https://security-tracker.debian.org/tracker/CVE-2016-7422
- https://security.gentoo.org/glsa/201609-01
- http://git.qemu.org/?p=qemu.git;a=commit;h=973e7170dddefb491a48df5cba33b2ae151013a0
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/09/16/10
- http://www.openwall.com/lists/oss-security/2016/09/16/4
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- http://www.securityfocus.com/bid/92996
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7422
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0
- https://access.redhat.com/security/cve/CVE-2016-7422
- https://bugzilla.redhat.com/show_bug.cgi?id=1376755