What’s Vulnerable › Vulnerabilities

CVE-2019-14895

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-29 · updated 2026-06-17
• Weakness: CWE-122

Description

A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The flaw could occur when the station attempts a connection negotiation during the handling of the remote devices country settings. This could allow the remote device to cause a denial of service (system crash) or possibly execute arbitrary code.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.04, 19.10
• Debian Linux: 8.0
• Fedoraproject Fedora: 30, 31
• Linux kernel: from 3.7 before 3.16.81; from 3.17 before 4.4.210; from 4.5 before 4.9.210; from 4.10 before 4.14.165; from 4.15 before 4.19.96; from 4.20 before 5.4.12 — fixed in 3.16.81, 4.14.165, 4.19.96, 4.4.210, 4.9.210, 5.4.12
• openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: Linux kernel 3.16.81, 4.14.165, 4.19.96, 4.4.210. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• http://packetstormsecurity.com/files/155879/Kernel-Live-Patch-Security-Notice-LSN-0061-1.html
• http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html
• https://access.redhat.com/errata/RHSA-2020:0328
• https://access.redhat.com/errata/RHSA-2020:0339
• https://access.redhat.com/errata/RHSA-2020:0374
• https://access.redhat.com/errata/RHSA-2020:0375
• https://access.redhat.com/errata/RHSA-2020:0543
• https://access.redhat.com/errata/RHSA-2020:0592
• https://access.redhat.com/errata/RHSA-2020:0609
• https://access.redhat.com/errata/RHSA-2020:0653
• https://access.redhat.com/errata/RHSA-2020:0661

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