Integer overflow in Linux kernel - CVE-2018-14634
Published: October 8, 2018 / Updated: January 27, 2026
Vulnerability identifier: #VU15168
CSH Severity: Low
CVSS v4.0: 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:A/U:Clear
CVE-ID: CVE-2018-14634
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow in create_elf_tables() function when processing SUID binaries. A local unprivileged user can use this vulnerability to execute execute arbitrary code on the system with elevated privileges.
How to mitigate CVE-2018-14634
Install updates from vendor's website.
Sources
- https://access.redhat.com/errata/RHSA-2018:2748
- https://access.redhat.com/errata/RHSA-2018:2763
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634
- https://usn.ubuntu.com/3775-1/
- https://usn.ubuntu.com/3775-2/
- https://usn.ubuntu.com/3779-1/
- https://www.exploit-db.com/exploits/45516/
- https://www.openwall.com/lists/oss-security/2018/09/25/4