MEDIUM
CVE-2019-20095
CWE-401Published: December 30, 2019· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c in the Linux kernel before 5.1.6 has some error-handling cases that did not free allocated hostcmd memory, aka CID-003b686ace82. This will cause a memory leak and denial of service.
Technical Analysis
CVE-2019-20095 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 availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Linux1 product(s)
linux kernel
netapp17 product(s)
active iq unified managercloud backupdata availability servicese-series santricity os controllerhci management nodesolidfiresteelstore cloud integrated storagea700s firmwarea700s8300 firmware83008700 firmware+5
openSUSE1 product(s)
leap
Source: NVD CPE · 19 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
All References (8)
→
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List · Third Party Advisory
→
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6Release Notes · Vendor Advisory
→
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=003b686ace820ce2d635a83f10f2d7f9c147dabcRelease Notes · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20200204-0002/Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List · Third Party Advisory
→
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6Release Notes · Vendor Advisory
→
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=003b686ace820ce2d635a83f10f2d7f9c147dabcRelease Notes · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20200204-0002/Third Party Advisory
Quick Facts
CVE IDCVE-2019-20095
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-401
CISA KEVNo
Affected3 vendor(s)
PublishedDec 30, 2019
Related CVEs (CWE-401)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20095 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.