Race condition in NetBSD - #VU8493
Published: September 14, 2017 / Updated: September 19, 2017
Vulnerability identifier: #VU8493
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: N/A
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: NetBSD Foundation, Inc
Affected software:
NetBSD
NetBSD
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges or cause DoS condition on the target system.
The weakness exists due to a missing check in the trap handler and the Linux compatibility layer. A local attacker can trigger race condition, cause the userland kernel space to panic and gain elevated privileges or cause the system to crash.
The weakness exists due to a missing check in the trap handler and the Linux compatibility layer. A local attacker can trigger race condition, cause the userland kernel space to panic and gain elevated privileges or cause the system to crash.
Remediation
Install update from vendor's website.