CVE-2015-5156
Virtio Net Guest OS Fragmentation Denial of Service
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.
INFO
Published Date :
Oct. 19, 2015, 10:59 a.m.
Last Modified :
Feb. 12, 2023, 11:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.9
Exploitability Score :
6.5
Public PoC/Exploit Available at Github
CVE-2015-5156 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-5156.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-5156 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-5156 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description A buffer overflow flaw was found in the way the Linux kernel's virtio-net subsystem handled certain fraglists when the GRO (Generic Receive Offload) functionality was enabled in a bridged network configuration. An attacker on the local network could potentially use this flaw to crash the system, or, although unlikely, elevate their privileges on the system. 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. Removed CVSS V2 Red Hat, Inc. (AV:A/AC:H/Au:N/C:C/I:C/A:C) Removed Reference https://access.redhat.com/errata/RHSA-2015:1977 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2015:1978 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:0855 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2015-5156 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. A buffer overflow flaw was found in the way the Linux kernel's virtio-net subsystem handled certain fraglists when the GRO (Generic Receive Offload) functionality was enabled in a bridged network configuration. An attacker on the local network could potentially use this flaw to crash the system, or, although unlikely, elevate their privileges on the system. Added CVSS V2 Red Hat, Inc. (AV:A/AC:H/Au:N/C:C/I:C/A:C) Added Reference https://access.redhat.com/security/cve/CVE-2015-5156 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2015:1978 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2015:1977 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:0855 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2015/dsa-3364 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 08, 2016
Action Type Old Value New Value Added Reference http://www.ubuntu.com/usn/USN-2774-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2773-1 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2015-1978.html [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2777-1 [No Types Assigned] Added Reference http://www.securitytracker.com/id/1034045 [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2016-0855.html [No Types Assigned] Added Reference http://www.securityfocus.com/bid/76230 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html -
CVE Modified by [email protected]
Oct. 12, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html -
CVE Modified by [email protected]
Oct. 04, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html -
Modified Analysis by [email protected]
Oct. 19, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.1.10:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:A/AC:L/Au:N/C:N/I:N/A:C) Added CWE CWE-119 -
Initial Analysis by [email protected]
Oct. 19, 2015
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-5156 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-5156
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.00%
score
0.60029
percentile