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CVE-2019-3701

19
FAUCET Score

CVE-2019-3701 is a Linux kernel vulnerability (through version 4.19.13) affecting the CAN frame modification rules, specifically within the net/can/gw.c component. A privileged root user with CAP_NET_ADMIN can manipulate the data length code, leading to a system crash due to out-of-bounds writes. This vulnerability has a CVSS score of 4.4 (Medium) with a local attack vector and low attack complexity, primarily impacting system availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.19.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.4MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 95th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-3701

kernel: Missing check in net/can/gw.c:can_can_gw_rcv() allows for crash by users with CAP_NET_ADMIN

Dec 28, 2018

References

lists.opensuse.org / opensuse-security-announce/2020-04/msg00035.html
bugzilla.suse.com / show_bug.cgi
ExploitIssue TrackingPatchThird Party Advisory
git.kernel.org / pub/scm/linux/kernel/git/davem/net.git/commit
Mailing ListPatchVendor Advisory
lists.debian.org / debian-lts-announce/2019/03/msg00034.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/04/msg00004.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00002.html
Mailing ListThird Party Advisory
marc.info
PatchThird Party Advisory
marc.info
Mailing ListPatchThird Party Advisory
support.f5.com / csp/article/K17957133
Third Party Advisory
usn.ubuntu.com / 3932-1
Third Party Advisory
usn.ubuntu.com / 3932-2
Third Party Advisory
usn.ubuntu.com / 4115-1
usn.ubuntu.com / 4118-1
securityfocus.com / bid/106443
Third Party AdvisoryVDB Entry