Use-after-free error in Linux kernel and linux_kernel (Debian package) - CVE-2016-7910
Published: May 25, 2017 / Updated: May 30, 2017
Vulnerability identifier: #VU6726
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-2016-7910
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Debian
Debian
Affected software:
Linux kernel
linux_kernel (Debian package)
Linux kernel
linux_kernel (Debian package)
Detailed vulnerability 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 disk_seqf_stop function in block/genhd.c. a local attacker can leverage the execution of a certain stop operation and execute arbitrary code on the system with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to use-after-free error in the disk_seqf_stop function in block/genhd.c. a local attacker can leverage the execution of a certain stop operation and execute arbitrary code on the system with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2016-7910
Update to 4.7.1.