⚠ Actively exploited
Added to CISA KEV on 2026-01-26. Federal agencies required to patch by 2026-02-16. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable..
CVE-2018-14634
Severity
7.8HIGH
EPSS
22.4%
top 4.18%
CISA KEV
KEV
Added 2026-01-26
Due 2026-02-16
Exploit
PoC available
Public exploit / PoC exists
Affected products
Timeline
PublishedSep 25
KEV addedJan 26
Latest updateFeb 2
KEV dueFeb 16
CISA Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages25 packages
Also affects: Ubuntu Linux 12.04, 14.04, Enterprise Linux 6.5, 6.6, 7.6, 6.7, 7.5
Patches
🔴Vulnerability Details
5GHSA▶
GHSA-4994-8w6g-9jvw: An integer overflow flaw was found in the Linux kernel's create_elf_tables() function↗2022-05-13
OSV▶
CVE-2018-14634: An integer overflow flaw was found in the Linux kernel's create_elf_tables() function↗2018-09-25
CVEList▶
CVE-2018-14634: An integer overflow flaw was found in the Linux kernel's create_elf_tables() function↗2018-09-25
💥Exploits & PoCs
1Exploit-DB▶
Linux Kernel 2.6.x / 3.10.x / 4.14.x (RedHat / Debian / CentOS) (x64) - 'Mutagen Astronomy' Local Privilege Escalation↗2018-09-26