CVE-2018-14634
HIGH severity · CVSS 7.8 · Integer overflow · actively exploited (CISA KEV)
7.8CVSS HIGH ● exploited
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2026-01-26. US federal agencies must patch by 2026-02-16.
Summary
An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)21%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2021/07/20/2Advisory
- http://www.securityfocus.com/bid/105407Advisory
- https://access.redhat.com/errata/RHSA-2018:2748Advisory
- https://access.redhat.com/errata/RHSA-2018:2763Advisory
- https://access.redhat.com/errata/RHSA-2018:2846Advisory
- https://access.redhat.com/errata/RHSA-2018:2924Advisory
- https://access.redhat.com/errata/RHSA-2018:2925Advisory
- https://access.redhat.com/errata/RHSA-2018:2933Advisory