high 7.8

CVE-2019-14815 json

A vulnerability was found in Linux Kernel, where a Heap Overflow was found in mwifiex_set_wmm_params() function of Marvell Wifi Driver.

published 2019-11-25 6y ago modified 2026-06-17 4mo ago also EUVD-2019-5944

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

Patch / fix

fixed in 1 distros 5 links 4

linux linux_kernel 4.14.146, 4.19.75, 5.2.17

debian ubuntu red hat suse opensuse

linux Debian 14, Debian 13, Debian 12 5.2.17-1

debian advisories DEBIAN-CVE-2019-14815

linux Ubuntu 18.04 LTS 4.15.0-66.75
linux-aws Ubuntu 18.04 LTS 4.15.0-1052.54
linux-gcp Ubuntu 16.04 LTS 4.15.0-1047.50
linux-gcp Ubuntu 18.04 LTS 5.0.0-1021.21~18.04.1
linux-hwe Ubuntu 16.04 LTS 4.15.0-66.75~16.04.1
linux-hwe Ubuntu 18.04 LTS 5.0.0-32.34~18.04.2
linux-kvm Ubuntu 18.04 LTS 4.15.0-1048.48
linux-oem Ubuntu 18.04 LTS 4.15.0-1059.68

ubuntu advisories UBUNTU-CVE-2019-14815

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

kernel-alt RHEL 7 4.14.0-115.17.1.el7a
perf RHEL 7 4.14.0-115.17.1.el7a
kernel RHEL 7 4.14.0-115.17.1.el7a
python-perf RHEL 7 4.14.0-115.17.1.el7a
kernel-tools RHEL 7 4.14.0-115.17.1.el7a
kernel-tools-libs RHEL 7 4.14.0-115.17.1.el7a
kernel-bootwrapper RHEL 7 4.14.0-115.17.1.el7a
kernel-abi-whitelists RHEL 7 4.14.0-115.17.1.el7a

red hat advisories RHSA-2020:0174 RHSA-2020:1016 RHSA-2020:1070 RHSA-2020:0328 RHSA-2020:0339

kernel-syms SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 4.4.121-92.125.1
kernel-source SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 4.4.121-92.125.1
kernel-default SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.125.1
kgraft-patch-SLE12-SP2_Update_33 SLES for SAP 12 SP2, SLES 12 SP2-LTSS, OpenStack Cloud 7 1-3.5.1
kernel-syms SLES for SAP 12 SP3, SLES 12 SP3-LTSS, SLES 12 SP3-BCL +4 more 4.4.180-94.107.1
kernel-source SLES for SAP 12 SP3, SLES 12 SP3-LTSS, SLES 12 SP3-BCL +4 more 4.4.180-94.107.1
kernel-default SLES for SAP 12 SP3, SLES 12 SP3-LTSS, SLES 12 SP3-BCL +5 more 4.4.180-94.107.1
kgraft-patch-SLE12-SP3_Update_29 SLES for SAP 12 SP3, SLES 12 SP3-LTSS, OpenStack Cloud Crowbar 8 +3 more 1-4.3.1

suse advisories SUSE-SU-2020:2491-1 SUSE-SU-2019:2984-1 SUSE-SU-2019:2949-1 SUSE-SU-2019:2950-1 SUSE-SU-2019:2756-1 SUSE-SU-2019:2738-1

kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.16.1
kernel-syms openSUSE Leap 15.0 4.12.14-lp150.12.73.1

opensuse advisories openSUSE-SU-2019:2181-1 openSUSE-SU-2019:2173-1

github.com/torvalds/linux@7caac62 commit
openwall.com/lists/oss-security/2019/08/28/1 advisory
lore.kernel.org/linux-wireless/20190828020751.13625-1-huangwenabc%40gmail.… advisory
security.netapp.com/advisory/ntap-20200103-0001/ advisory

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-14815 updated 2026-11-05 cvss 7.8

kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS

Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
affected: no fix planned “Will not fix”
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-147.5.1.el8_1, kernel-debuginfo-common-aarch64 4.18.0-147.5.1.el8_1, kernel-debuginfo-common-ppc64le 4.18.0-147.5.1.el8_1 Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-147.5.1.el8_1, kernel 4.18.0-147.5.1.el8_1, bpftool 4.18.0-147.5.1.el8_1, kernel-core 4.18.0-147.5.1.el8_1, kernel-tools 4.18.0-147.5.1.el8_1, python3-perf 4.18.0-147.5.1.el8_1, +15 more
fixed: vendor fix RHSA-2020:0339
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, kernel-tools-libs 3.10.0-1127.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, kernel-tools-libs 3.10.0-1127.el7, +2 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.el7
fixed: vendor fix RHSA-2020:1016
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.17.1.el7a, kernel 4.14.0-115.17.1.el7a, kernel-alt 4.14.0-115.17.1.el7a, python-perf 4.14.0-115.17.1.el7a, kernel-tools 4.14.0-115.17.1.el7a, kernel-tools-libs 4.14.0-115.17.1.el7a, +3 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 4.14.0-115.17.1.el7a
fixed: vendor fix RHSA-2020:0174
Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-1127.rt56.1093.el7, kernel-rt-trace 3.10.0-1127.rt56.1093.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.rt56.1093.el7 Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1127.rt56.1093.el7, kernel-rt-kvm 3.10.0-1127.rt56.1093.el7, kernel-rt-trace 3.10.0-1127.rt56.1093.el7, kernel-rt-debug-kvm 3.10.0-1127.rt56.1093.el7, kernel-rt-trace-kvm 3.10.0-1127.rt56.1093.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.rt56.1093.el7
fixed: vendor fix RHSA-2020:1070
Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-core 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-modules 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-debug-core 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-debug-modules 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-modules-extra 4.18.0-147.5.1.rt24.98.el8_1, +2 more Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-kvm 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-core 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-modules 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-debug-kvm 4.18.0-147.5.1.rt24.98.el8_1, kernel-rt-debug-core 4.18.0-147.5.1.rt24.98.el8_1, +4 more
fixed: vendor fix RHSA-2020:0328
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-kdump 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, +7 more Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1127.el7, kernel-debuginfo-common-x86_64 3.10.0-1127.el7, kernel-debuginfo-common-ppc64le 3.10.0-1127.el7 Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, kernel-tools-libs 3.10.0-1127.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.el7
fixed: vendor fix RHSA-2020:1016
Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Linux kernel

Classification

Weakness

CWE-122 Heap-based Buffer Overflow
CWE-787 Out-of-bounds Write

Technology feeds

Linux kernel rss critical rss

References

github.com /torvalds/linux/commit/7caac62ed598a196d6ddf8d9c121e12e082cac3a
issue-tracking, third-party-advisory
openwall.com /lists/oss-security/2019/08/28/1
mailing-list, patch, third-party-advisory
lore.kernel.org /linux-wireless/20190828020751.13625-1-huangwenabc%40gmail.com
issue-tracking, mailing-list, patch, vendor-advisory
security.netapp.com /advisory/ntap-20200103-0001/
mailing-list, patch, third-party-advisory
access.redhat.com /errata/RHSA-2020:0174
vendor-advisory, third-party-advisory
access.redhat.com /errata/RHSA-2020:0328
vendor-advisory, third-party-advisory
access.redhat.com /errata/RHSA-2020:0339
vendor-advisory, third-party-advisory
access.redhat.com /security/cve/cve-2019-14815
third-party-advisory
bugzilla.redhat.com /show_bug.cgi?id=CVE-2019-14815
issue-tracking, third-party-advisory
lists.debian.org /debian-lts-announce/2020/03/msg00001.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2019-14815
NVD CVE-2019-14815

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

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