An integer overflow flaw was found in the Linux kernel's create_elf_tables() function.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in kernel-3.10.0-514.61.1.el7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Linux kernel is affected, specifically its ELF binary loading code in create_elf_tables(). A local user with low privileges could potentially use this flaw to gain higher privileges on the system.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- Record last updated
- CISA remediation deadline
Due date for US federal agencies to patch
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- The Linux Foundation kernel
2.6.x, 3.10.x, 4.14.x
References 22
access.redhat.com
security.netapp.com
Exploit-DB
securityfocus.com
bugzilla.redhat.com
security.paloaltonetworks.com
Questions about CVE-2018-14634
What should I do about it?
Update the Linux kernel to kernel-3.10.0-514.61.1.el7 or later, which is the fixed version listed for this vulnerability. No workaround is listed in the checked facts.Source: access.redhat.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-01-26, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data