CVE-2015-5156
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…
Does this matter?
Lower severity and a low EPSS score (1.16%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 6.1 MEDIUMAV:A/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 1.16% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.html
- 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.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- 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
- http://www.ubuntu.com/usn/USN-2777-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1243852
- https://github.com/torvalds/linux/commit/48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.html
- 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.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/76230
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.