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CVE-2019-3846· NVD / CVE Program· CNA redhat

A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting t

A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network.

HighCVSS 8.8 · v3.1—No exploit Fix available
Published
Jun 3, 2019
Updated
Jun 16, 2026
EPSS
5.6% · 93th percentile
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Action score

37

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 5.6%

CNA vs NVD score

NVD
8.8
CNA · redhat
8.0
0.8 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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Affected systems

VendorProduct
linuxlinux kernel
redhatenterprise linux
canonicalubuntu linux
netappa700s firmware
netappa700s
netappcn1610 firmware
netappcn1610
netapph610s firmware
netapph610s
netappactive iq unified manager for vmware vsphere
netapphci management node
netappsolidfire

and 3 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • canonical ubuntu linux14.04
  • canonical ubuntu linux16.04
  • canonical ubuntu linux18.04
  • canonical ubuntu linux19.04
  • debian debian linux8.0
  • debian debian linux9.0
  • fedoraproject fedora29
  • fedoraproject fedora30
  • linux linux kernel4.15 and later · before 4.19.59
  • linux linux kernel4.20 and later · before 5.1.18
  • linux linux kernel4.5 and later · before 4.9.186
  • linux linux kernel3.17 and later · before 4.4.186
  • linux linux kernel3.0 and later · before 3.16.70
  • linux linux kernel4.10 and later · before 4.14.134
  • netapp a700s firmwareall versions
  • netapp active iq unified manager for vmware vsphere9.5 and later
  • netapp cn1610 firmwareall versions
  • netapp h610s firmwareall versions
  • netapp hci management nodeall versions
  • netapp solidfireall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a kernel

    • n/aaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 4.19.37-44.19.37-4
Debian:8linuxbefore 3.16.68-23.16.68-2
Debian:8linux-4.9before 4.9.168-1+deb9u3~deb8u14.9.168-1+deb9u3~deb8u1
Debian:9linuxbefore 4.9.168-1+deb9u34.9.168-1+deb9u3
openSUSE:Leap 15.0kernel-debugbefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-defaultbefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-docsbefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-kvmsmallbefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-obs-buildbefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-obs-qabefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-sourcebefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-symsbefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.0kernel-vanillabefore 4.12.14-lp150.12.64.14.12.14-lp150.12.64.1
openSUSE:Leap 15.1kernel-debugbefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-defaultbefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-docsbefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-kvmsmallbefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-obs-buildbefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-obs-qabefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-sourcebefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-symsbefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
openSUSE:Leap 15.1kernel-vanillabefore 4.12.14-lp151.28.7.14.12.14-lp151.28.7.1
Red Hat:enterprise_linux:7::clientbpftoolbefore 0:3.10.0-1062.4.1.el70:3.10.0-1062.4.1.el7
Red Hat:enterprise_linux:7::clientbpftool-debuginfobefore 0:3.10.0-1062.4.1.el70:3.10.0-1062.4.1.el7

+96

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Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:linux4.19.37-4 · Debian:12Package registry (OSV)
debian:linux-4.94.9.168-1+deb9u3~deb8u1 · Debian:8Package registry (OSV)
opensuse:kernel-debug4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-default4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-docs4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-kvmsmall4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-obs-build4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-obs-qa4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-source4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-syms4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
opensuse:kernel-vanilla4.12.14-lp151.28.7.1 · openSUSE:Leap 15.1Package registry (OSV)
red hat:bpftool0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:bpftool-debuginfo0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-abi-whitelists0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-core0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-cross-headers0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-debug0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-debug-core0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-debug-debuginfo0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-debug-devel0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-debug-modules0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:kernel-debug-modules-extra0:4.18.0-80.11.1.el8_0 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
suse:kernel-azure4.4.180-4.31.1 · SUSE:Linux Enterprise Server 12 SP3Package registry (OSV)
suse:kernel-bigmem3.0.101-108.98.1 · SUSE:Linux Enterprise Server 11 SP4-LTSSPackage registry (OSV)
suse:kernel-default3.0.101-108.98.1 · SUSE:Linux Enterprise Server 11 SP4-LTSSPackage registry (OSV)
suse:kernel-ec23.0.101-108.98.1 · SUSE:Linux Enterprise Server 11 SP4-LTSSPackage registry (OSV)
suse:kernel-pae3.0.101-108.98.1 · SUSE:Linux Enterprise Server 11 SP4-LTSSPackage registry (OSV)
suse:kernel-ppc643.0.101-108.98.1 · SUSE:Linux Enterprise Server 11 SP4-LTSSPackage registry (OSV)
suse:kernel-source3.0.101-108.98.1 · SUSE:Linux Enterprise Server 11 SP4-LTSSPackage registry (OSV)

+5

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

All records