SB2018082801 - Denial of service in Linux Kernel
Published: August 28, 2018
Security Bulletin ID
SB2018082801
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Infinite loop (CVE-ID: CVE-2018-10938)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: 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/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error when processing network packets within the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c. A remote unauthenticated attacker can send a specially crafted packet to the affected system, force the Linux kernel enter an infinite loop and cause denial of service.
Remediation
Install update from vendor's website.