Race condition in Linux kernel - CVE-2017-15951
Published: December 8, 2017
Vulnerability identifier: #VU9604
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2017-15951
CWE-ID: CWE-362
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 attacker to cause DoS condition on the target system.
The weakness exists due to the KEYS subsystem does not correctly synchronize the actions of updating versus finding a key in the "negative" state. A local attacker can make a specially crafted system calls, trigger race condition and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to the KEYS subsystem does not correctly synchronize the actions of updating versus finding a key in the "negative" state. A local attacker can make a specially crafted system calls, trigger race condition and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
How to mitigate CVE-2017-15951
Update to version 4.13.10.