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CVE-2019-14814

25
FAUCET Score

CVE-2019-14814 is a heap-based buffer overflow vulnerability affecting the Marvell Wi-Fi chip driver in all Linux kernel versions up to, but excluding, 5.3, impacting distributions like Canonical, Debian, and Red Hat. With a CVSS score of 7.8 (High), this local vulnerability is easily exploitable and can lead to a denial of service (system crash) or potentially arbitrary code execution. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.7, < 3.16.74CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 4.4.194CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.5, < 4.9.194CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.146CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.75CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 90th percentile among its peer group of 16,985 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-115.17.1.el7a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1127.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-147.5.1.rt24.98.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-147.5.1.el8_1
View patch
redhatpatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2019-14814Moderate

kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS

Aug 28, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-09/msg00064.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-09/msg00066.html
Mailing ListThird Party Advisory
packetstormsecurity.com / files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
Third Party AdvisoryVDB Entry
access.redhat.com / errata/RHSA-2020:0174
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0328
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0339
Third Party Advisory
access.redhat.com / security/cve/cve-2019-14814
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingPatchThird Party Advisory
github.com / torvalds/linux/commit/7caac62ed598a196d6ddf8d9c121e12e082cac3a
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2019/09/msg00025.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/03/msg00001.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/O3RUDQJXRJQVGHCGR4YZWTQ3ECBI7TXH
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/T4JZ6AEUKFWBHQAROGMQARJ274PQP2QP
Third Party Advisory
seclists.org / bugtraq/2019/Nov/11
Mailing ListPatchThird Party Advisory
security.netapp.com / advisory/ntap-20191031-0005
Third Party Advisory
usn.ubuntu.com / 4157-1
Third Party Advisory
usn.ubuntu.com / 4157-2
Third Party Advisory
usn.ubuntu.com / 4162-1
Third Party Advisory
usn.ubuntu.com / 4162-2
Third Party Advisory
usn.ubuntu.com / 4163-1
Third Party Advisory
usn.ubuntu.com / 4163-2
Third Party Advisory
openwall.com / lists/oss-security/2019/08/28/1
ExploitMailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2019/08/28/1
ExploitMailing ListPatchThird Party Advisory