CVE-2016-7422: Null Pointer Dereference
First published: Fri Sep 16 2016(Updated: )
Quick emulator(Qemu) built with the virtio framework is vulnerable to a null pointer dereference flaw. It could occur if the guest was to set the I/O descriptor buffer length to a large value. A privileged user inside guest could use this flaw to crash the Qemu instance on the host resulting in DoS. Upstream fix: ------------- -> <a href="https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html">https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html</a> Reference: ---------- -> <a href="http://www.openwall.com/lists/oss-security/2016/09/16/4">http://www.openwall.com/lists/oss-security/2016/09/16/4</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <=2.7.1 | |
| openSUSE Leap | =42.2 | |
| Redhat Openstack | =6.0 | |
| Redhat Openstack | =7.0 | |
| Redhat Openstack | =8 | |
| Redhat Openstack | =9 | |
| Redhat Openstack | =10 | |
| Redhat Openstack | =11 | |
| Redhat Virtualization | =4.0 | |
| Redhat Enterprise Linux | =7.0 |
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Reference Links
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0
- 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
- http://www.securityfocus.com/bid/92996
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html
- https://security.gentoo.org/glsa/201609-01
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1376756
- https://bugzilla.redhat.com/show_bug.cgi?id=1376755
- collector/nvd-index
- agent/type
- agent/weakness
- agent/author
- agent/remedy
- agent/softwarecombine
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2016-7422
- agent/last-modified-date
- agent/first-publish-date
- agent/references
- agent/severity
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/qemu
- canonical/qemu qemu
- version/qemu qemu/2.7.1
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/42.2
- vendor/redhat
- canonical/redhat openstack
- version/redhat openstack/6.0
- version/redhat openstack/7.0
- version/redhat openstack/8
- version/redhat openstack/9
- version/redhat openstack/10
- version/redhat openstack/11
- canonical/redhat virtualization
- version/redhat virtualization/4.0
- canonical/redhat enterprise linux
- version/redhat enterprise linux/7.0