Vulnerability Description
The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.1.10 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48900c
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.h
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.ht
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2015-1978.html
- http://rhn.redhat.com/errata/RHSA-2016-0855.html
- http://www.debian.org/security/2015/dsa-3364
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.h
- http://www.securityfocus.com/bid/76230
- http://www.securitytracker.com/id/1034045
- http://www.ubuntu.com/usn/USN-2773-1
- http://www.ubuntu.com/usn/USN-2774-1
FAQ
What is CVE-2015-5156?
CVE-2015-5156 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a de...
How severe is CVE-2015-5156?
CVE-2015-5156 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5156?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.