Improper initialization in Linux kernel - CVE-2018-1108

Vulnerability identifier: #VU12179

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-1108

CWE-ID: CWE-665

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the crng_ready() function due to improper initialization. A remote attacker can cause the service to crash.

Linux kernel
Debian Linux
Amazon Linux AMI
Fedora
kernel

Install update from vendor's website.

kernel - addressed in versions 4.16.4-200.fc27, 4.16.4-300.fc28, 4.16.7-100.fc26

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43838a23a05fbd13e47d750d3dfd77001536dd33

• Denial of service in Linux Kernel
• Debian update for linux
• Debian update for linux
• Amazon Linux AMI update for kernel
• Fedora 28 update for kernel
• Fedora 27 update for kernel
• Fedora 26 update for kernel