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Vulnerability record · CVE-2019-3846 · published 3 June 2019

CVE-2019-3846: Linux kernel heap-based buffer overflow vulnerability

Linux · Linux Kernel

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.

8.8 CVSS 3.1 High EPSS 5.6% · top 7.3% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 8.3
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
56References, 2 tagged exploit
17 Jun 2026Last modified by 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.

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

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2703 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2741 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3055 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3076 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3089 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0174 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3846 Issue TrackingMitigationPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY
https://seclists.org/bugtraq/2019/Jul/33 Mailing ListPatchThird Party Advisory
https://seclists.org/bugtraq/2019/Jun/26 Mailing ListThird Party Advisory
https://seclists.org/oss-sec/2019/q2/133 ExploitMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20190710-0002/ Third Party Advisory
https://usn.ubuntu.com/4093-1/ Third Party Advisory
https://usn.ubuntu.com/4094-1/ Third Party Advisory
https://usn.ubuntu.com/4095-1/ Third Party Advisory
https://usn.ubuntu.com/4095-2/ Third Party Advisory
https://usn.ubuntu.com/4117-1/ Third Party Advisory
https://usn.ubuntu.com/4118-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4465 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2703 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2741 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3055 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3076 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3089 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0174 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-3846), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.