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HIGH

kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver

Published Sep 20, 2019

Description

There is heap-based buffer overflow in kernel, all versions up to, excluding 5.3, in the marvell wifi chip driver in Linux kernel, that allows local users to cause a denial of service(system crash) or possibly execute arbitrary code.

Affected products

Remediation

Red Hat mitigation

At this time there is no mitigation to the flaw, if you are able to disable wireless and your system is able to work this will be a temporary mitigation until a kernel update is available for installation.

Metrics

References (35)

Change history (6)
  1. MITRE
    • CVSS severity changed from HIGH to MEDIUM
    • CVSS vector changed from CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H to CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    • CVSS score changed from 8 to 5.5
  2. REDHAT
    • CVSS severity changed from MEDIUM to HIGH
    • CVSS vector changed from CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H to CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    • CVSS score changed from 5.5 to 8
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Sep 20, 2019
Updated Aug 5, 2024
Reserved Aug 10, 2019
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Important
Public date Aug 28, 2019