#VU7251 Use-after-free error in Linux kernel - CVE-2014-9940
Published: June 29, 2017 / Updated: July 3, 2017
Vulnerability identifier: #VU7251
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-9940
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to use-after-free error in the regulator_ena_gpio_free function in drivers/regulator/core.c. A local attacker can run a specially crafted application, trigger memory corruption, gain kernel privileges and cause the system to crash.
Successful exploitation of the vulnerability results may result in denial of service.
The weakness exists due to use-after-free error in the regulator_ena_gpio_free function in drivers/regulator/core.c. A local attacker can run a specially crafted application, trigger memory corruption, gain kernel privileges and cause the system to crash.
Successful exploitation of the vulnerability results may result in denial of service.
Remediation
Update to version 3.19.