HIGH
CVE-2019-14814
CWE-122Published: September 20, 2019· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
There is heap-based buffer overflow in Linux kernel, all versions up to, excluding 5.3, in the marvell wifi chip driver in Linux kernel, that allows local users to cause a denial of service(system crash) or possibly execute arbitrary code.
Technical Analysis
CVE-2019-14814 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Linux1 product(s)
linux kernel
netapp37 product(s)
data availability serviceshci management nodeservice processorsolidfiresteelstore cloud integrated storagea700s firmwarea700sa320 firmwarea320c190 firmwarec190a220 firmware+25
openSUSE1 product(s)
leap
Red Hat9 product(s)
enterprise linuxenterprise linux eusenterprise linux for real timeenterprise linux for real time for nfventerprise linux for real time for nfv tusenterprise linux for real time tusenterprise linux server ausenterprise linux server tusmessaging realtime grid
Source: NVD CPE · 63 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
ADVISORYhttp://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
ADVISORYhttps://usn.ubuntu.com/4157-1/
ADVISORYhttps://usn.ubuntu.com/4157-2/
ADVISORYhttps://usn.ubuntu.com/4162-1/
ADVISORYhttps://usn.ubuntu.com/4162-2/
ADVISORYhttps://usn.ubuntu.com/4163-1/
ADVISORYhttps://usn.ubuntu.com/4163-2/
ADVISORYhttp://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
ADVISORYhttps://usn.ubuntu.com/4157-1/
ADVISORYhttps://usn.ubuntu.com/4157-2/
ADVISORYhttps://usn.ubuntu.com/4162-1/
ADVISORYhttps://usn.ubuntu.com/4162-2/
ADVISORYhttps://usn.ubuntu.com/4163-1/
ADVISORYhttps://usn.ubuntu.com/4163-2/
All References (48)
→
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlMailing List · Third Party Advisory
→
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.htmlThird Party Advisory · VDB Entry
→
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory · VDB Entry
→
http://www.openwall.com/lists/oss-security/2019/08/28/1Exploit · Mailing List · Patch · Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2020:0174Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2020:0328Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2020:0339Third Party Advisory
→
https://access.redhat.com/security/cve/cve-2019-14814Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14814Exploit · Issue Tracking · Patch · Third Party Advisory
→
https://github.com/torvalds/linux/commit/7caac62ed598a196d6ddf8d9c121e12e082cac3aPatch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing List · Third Party Advisory
→
Quick Facts
CVE IDCVE-2019-14814
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-122
CISA KEVNo
Affected6 vendor(s)
PublishedSep 20, 2019
Related CVEs (CWE-122)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-14814 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.