SB2018031650 - Fedora 26 update for kernel
Published: March 16, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018031650
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2018-1068)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to an error in the implementation of 32 bit syscall interface. A local attacker can gain root privileges.
2) Memory corruption (CVE-ID: CVE-2018-8087)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: 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
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the hwsim_new_radio_nl function due to memory leak. A local attacker can trigger memory corruption and cause the service the crash.
Remediation
Install update from vendor's website.