Heap-based buffer overflow in Linux kernel - CVE-2019-14815
Published: September 30, 2019
Vulnerability identifier: #VU21445
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14815
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the mwifiex_set_uap_rates() function in the Marvell Wi-Fi chip driver in Linux kernel. A local user can run a specially crafted application to trigger a heap-based buffer overflow and execute arbitrary code on the system with elevated privileges.
How to mitigate CVE-2019-14815
Install updates from vendor's repository.
Sources
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.17
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.194
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.194
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.75
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.146
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3