Vulnerability identifier: #VU11182
Vulnerability risk: Low
CVSSv4.0: 4.3 [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-2018-6927
CWE-ID:
CWE-190
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the futex_requeue function due to integer overflow. A local attacker can trigger a negative wake or requeue value and cause the service to crash.
Mitigation
Update to version 4.14.15.
Vulnerable software versions
Linux kernel: 4.0.1 - 4.0.6, 4.2 - 4.2.6, 4.3 - 4.3.6, 4.4.0 - 4.4.111, 4.5 - 4.5.4, 4.6 rc1 - 4.6.3, 4.7 - 4.7.9, 4.8 - 4.8.12, 4.9 - 4.9.76, 4.10.0 - 4.14.14
External links
https://github.com/torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.