Buffer overflow in Linux Kernel

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. 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.

Vulnerability class: Buffer Overflow

EPSS: 0.078 (94.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-14895?
CVE-2019-14895 is a critical-severity vulnerability in Linux Kernel, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-11-29.
How severe is CVE-2019-14895?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-14895 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.