#VU8117 Privilege escalation in Linux kernel and linux_kernel (Debian package) - CVE-2014-9922
Published: September 6, 2017
Vulnerability identifier: #VU8117
Vulnerability risk: Low
CVSSv4.0: 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-2014-9922
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
linux_kernel (Debian package)
Linux kernel
linux_kernel (Debian package)
Software vendor:
Linux Foundation
Debian
Linux Foundation
Debian
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to improper privileges and access controls. A local attacker can provide a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c and gain root privileges on the system.
The weakness exists due to improper privileges and access controls. A local attacker can provide a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c and gain root privileges on the system.
Remediation
Update to version 4.0.