#VU28409 Out-of-bounds write in Linux kernel - CVE-2019-14896
Published: November 27, 2019 / Updated: June 1, 2020
Vulnerability identifier: #VU28409
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-14896
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP.
Remediation
Install update from vendor's website.
External links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.212
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.212
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.169
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.100
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16