CVE-2015-5156
6.1 Medium
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:N/I:N/A:C
5.7 Medium
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
62.1%
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.
Affected configurations
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.html
lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.html
lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
rhn.redhat.com/errata/RHSA-2015-1978.html
rhn.redhat.com/errata/RHSA-2016-0855.html
www.debian.org/security/2015/dsa-3364
www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/76230
www.securitytracker.com/id/1034045
www.ubuntu.com/usn/USN-2773-1
www.ubuntu.com/usn/USN-2774-1
www.ubuntu.com/usn/USN-2777-1
bugzilla.redhat.com/show_bug.cgi?id=1243852
github.com/torvalds/linux/commit/48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39
Related
6.1 Medium
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:N/I:N/A:C
5.7 Medium
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
62.1%