#VU5868 Assertion failure in Linux kernel - CVE-2017-5986
Published: February 18, 2017 / Updated: February 19, 2017
Vulnerability identifier: #VU5868
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5986
CWE-ID: CWE-617
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to cause kernel panic.
The vulnerability exists due to a race condition in the sctp_wait_for_sndbuf() function in net/sctp/socket.c in the Linux kernel before 4.9.11. A local user can use userspace application to trigger a BUG_ON() system call if the socket tx buffer is full and cause kernel panic.
Successful exploitation of this vulnerability may result in denial of service condition.
Remediation
Update to version 4.9.11.