HIGH

CVE-2019-3846

CVSS v3

8.8

HIGH

EPSS Score

5.9 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

CVE-2019-3846 Red Hat Product Security517 products fixed · 1 known affected
kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c
kernel.src as a component of Red Hat Enterprise Linux 5
RHSA-2020:2289 Red Hat Product Security111 products fixed
Red Hat Security Advisory: kernel security and bug fix update
RHSA-2020:0174 Red Hat Product Security25 products fixed
Red Hat Security Advisory: kernel-alt security and bug fix update
RHSA-2019:3089 Red Hat Product Security30 products fixed
Red Hat Security Advisory: kernel-rt security and bug fix update
RHSA-2019:3076 Red Hat Product Security15 products fixed
Red Hat Security Advisory: kpatch-patch security update
RHSA-2019:3055 Red Hat Product Security174 products fixed
Red Hat Security Advisory: kernel security and bug fix update

2 more advisories

Full record on NVD

Description

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.

Technical details

Published: 2019-06-03

Frequently asked questions

What is CVE-2019-3846?

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.

Is CVE-2019-3846 actively exploited?

Active exploitation of CVE-2019-3846 has not been confirmed. Its EPSS score was 5.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3846?

CVE-2019-3846 has a CVSS v3 base score of 8.8 (HIGH severity).

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