SB2018030604 - Denial of service in Linux Kernel
Published: March 6, 2018 Updated: March 14, 2018
Security Bulletin ID
SB2018030604
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2018-7995)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the arch/x86/kernel/cpu/mcheck/mce.c source code due to race condition. A local attacker can trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.