Use-after-free error in Linux kernel - CVE-2017-17052
Published: April 23, 2018 / Updated: April 24, 2018
Vulnerability identifier: #VU12108
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-17052
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the mm_init function in kernel/fork.c due to improper clarification of the ->exe_file member of a new process's mm_struct. A local attacker can trigger use after free error and cause the service to crash.
The weakness exists in the mm_init function in kernel/fork.c due to improper clarification of the ->exe_file member of a new process's mm_struct. A local attacker can trigger use after free error and cause the service to crash.
Affected software
Linux kernel
How to mitigate CVE-2017-17052
Update to version 4.12.10.