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Fencer Intel
high 7.8

CVE-2018-14634 kev in the critical feed json

An integer overflow flaw was found in the Linux kernel's create_elf_tables() function.

published 8y ago modified 4mo ago also EUVD-2018-6537

cvss
7.8
version 3.0, CNA
cisa kev
Exploited
added 2026-01-26
epss
14.7%
EPSS 14.7% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

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.

Patch / fix

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.

  • f5 big-ip_access_policy_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_advanced_firewall_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_analytics 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_application_acceleration_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_application_security_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_domain_name_system 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_edge_gateway 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_fraud_protection_service 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_global_traffic_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_link_controller 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_local_traffic_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_policy_enforcement_manager 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • f5 big-ip_webaccelerator 11.6.4, 12.1.5, 13.1.1.5, 14.0.1.1, 14.1.0.6
  • paloaltonetworks pan-os 7.1.23, 8.0.16, 8.1.7
  • linux Debian 14, Debian 13, Debian 12 4.12.6-1

debian advisories DEBIAN-CVE-2018-14634

  • linux Ubuntu 14.04 LTS 3.13.0-160.210
  • linux Ubuntu 16.04 LTS 4.4.0-93.116
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1032.41
  • linux-gcp Ubuntu 16.04 LTS 4.13.0-1002.5
  • linux-hwe Ubuntu 16.04 LTS 4.13.0-32.35~16.04.1
  • linux-euclid Ubuntu 16.04 LTS 4.4.0-9029.31
  • linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1071.79
  • linux-lts-xenial Ubuntu 14.04 LTS 4.4.0-93.116~14.04.1

ubuntu advisories UBUNTU-CVE-2018-14634

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt enterprise mrg 2 1:3.10.0-693.43.1.rt56.630.el6rt
  • kernel-rt-trace enterprise mrg 2 1:3.10.0-693.43.1.rt56.630.el6rt
  • kernel-rt-vanilla enterprise mrg 2 1:3.10.0-693.43.1.rt56.630.el6rt
  • kernel-rt-firmware enterprise mrg 2 1:3.10.0-693.43.1.rt56.630.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-693.43.1.rt56.630.el6rt
  • kernel RHEL 6 2.6.32-754.6.3.el6
  • perf RHEL 6 2.6.32-754.6.3.el6
  • python-perf RHEL 6 2.6.32-754.6.3.el6

red hat advisories RHSA-2018:3590RHSA-2018:2933RHSA-2018:2925RHSA-2018:3586RHSA-2018:3540RHSA-2018:2924

  • kernel-rt SLE Real Time 11 SP4 3.0.101.rt130-69.36.1
  • kernel-syms-rt SLE Real Time 11 SP4 3.0.101.rt130-69.36.1
  • kernel-rt_trace SLE Real Time 11 SP4 3.0.101.rt130-69.36.1
  • kernel-source-rt SLE Real Time 11 SP4 3.0.101.rt130-69.36.1
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.61-52.146.1
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.104.1
  • kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.50.1
  • kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.50.1

suse advisories SUSE-SU-2018:2908-2SUSE-SU-2018:3238-1SUSE-SU-2018:3171-1SUSE-SU-2018:3088-1SUSE-SU-2018:3083-1SUSE-SU-2018:2908-1

Is CVE-2018-14634 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14634 updated cvss 7.8

kernel: Integer overflow in Linux's create_elf_tables function

  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-862.14.4.el7, kernel 3.10.0-862.14.4.el7, python-perf 3.10.0-862.14.4.el7, kernel-tools 3.10.0-862.14.4.el7, kernel-tools-libs 3.10.0-862.14.4.el7, kernel-abi-whitelists 3.10.0-862.14.4.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.14.4.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-862.14.4.el7, kernel 3.10.0-862.14.4.el7, python-perf 3.10.0-862.14.4.el7, kernel-tools 3.10.0-862.14.4.el7, kernel-tools-libs 3.10.0-862.14.4.el7, kernel-abi-whitelists 3.10.0-862.14.4.el7, +1 more
    fixed: vendor fix RHSA-2018:2748
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) perf 3.10.0-514.61.1.el7, kernel 3.10.0-514.61.1.el7, python-perf 3.10.0-514.61.1.el7, kernel-tools 3.10.0-514.61.1.el7, kernel-tools-libs 3.10.0-514.61.1.el7, kernel-abi-whitelists 3.10.0-514.61.1.el7, +1 more
    fixed: vendor fix RHSA-2018:3591
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) perf 3.10.0-693.43.1.el7, kernel 3.10.0-693.43.1.el7, python-perf 3.10.0-693.43.1.el7, kernel-tools 3.10.0-693.43.1.el7, kernel-tools-libs 3.10.0-693.43.1.el7, kernel-abi-whitelists 3.10.0-693.43.1.el7, +1 more
    fixed: vendor fix RHSA-2018:3540
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.14.4.el7
    fixed: vendor fix RHSA-2018:2748
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.61.1.el7
    fixed: vendor fix RHSA-2018:3591
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.43.1.el7
    fixed: vendor fix RHSA-2018:3540
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-754.6.3.el6, kernel 2.6.32-754.6.3.el6, kernel-firmware 2.6.32-754.6.3.el6, kernel-abi-whitelists 2.6.32-754.6.3.el6, kernel-debuginfo-common-i686 2.6.32-754.6.3.el6, kernel-debuginfo-common-x86_64 2.6.32-754.6.3.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-754.6.3.el6, kernel-debuginfo-common-i686 2.6.32-754.6.3.el6, kernel-debuginfo-common-x86_64 2.6.32-754.6.3.el6
    fixed: vendor fix RHSA-2018:2846
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 3.10.0-862.14.4.el7, kernel 3.10.0-862.14.4.el7, python-perf 3.10.0-862.14.4.el7, kernel-kdump 3.10.0-862.14.4.el7, kernel-tools 3.10.0-862.14.4.el7, kernel-tools-libs 3.10.0-862.14.4.el7, +4 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 3.10.0-862.14.4.el7
    fixed: vendor fix RHSA-2018:2748
show 26 more
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-862.14.4.rt56.821.el7, kernel-rt-kvm 3.10.0-862.14.4.rt56.821.el7, kernel-rt-trace 3.10.0-862.14.4.rt56.821.el7, kernel-rt-debug-kvm 3.10.0-862.14.4.rt56.821.el7, kernel-rt-trace-kvm 3.10.0-862.14.4.rt56.821.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-862.14.4.rt56.821.el7
    fixed: vendor fix RHSA-2018:2763
  • Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-754.6.3.el6, kernel 2.6.32-754.6.3.el6, kernel-firmware 2.6.32-754.6.3.el6, kernel-abi-whitelists 2.6.32-754.6.3.el6, kernel-debuginfo-common-i686 2.6.32-754.6.3.el6, kernel-debuginfo-common-x86_64 2.6.32-754.6.3.el6
    fixed: vendor fix RHSA-2018:2846
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) perf 2.6.32-573.65.2.el6, kernel 2.6.32-573.65.2.el6, kernel-firmware 2.6.32-573.65.2.el6, kernel-abi-whitelists 2.6.32-573.65.2.el6, kernel-debuginfo-common-i686 2.6.32-573.65.2.el6, kernel-debuginfo-common-x86_64 2.6.32-573.65.2.el6
    fixed: vendor fix RHSA-2018:2925
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-754.6.3.el6, kernel-debuginfo-common-x86_64 2.6.32-754.6.3.el6
    fixed: vendor fix RHSA-2018:2846
  • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) python-perf 2.6.32-573.65.2.el6, kernel-debuginfo-common-x86_64 2.6.32-573.65.2.el6
    fixed: vendor fix RHSA-2018:2925
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-862.14.4.rt56.821.el7, kernel-rt-trace 3.10.0-862.14.4.rt56.821.el7
    fixed: vendor fix RHSA-2018:2763
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-754.6.3.el6, kernel 2.6.32-754.6.3.el6, kernel-kdump 2.6.32-754.6.3.el6, kernel-firmware 2.6.32-754.6.3.el6, kernel-bootwrapper 2.6.32-754.6.3.el6, kernel-abi-whitelists 2.6.32-754.6.3.el6, +4 more
    fixed: vendor fix RHSA-2018:2846
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-862.14.4.el7, kernel 3.10.0-862.14.4.el7, python-perf 3.10.0-862.14.4.el7, kernel-kdump 3.10.0-862.14.4.el7, kernel-tools 3.10.0-862.14.4.el7, kernel-tools-libs 3.10.0-862.14.4.el7, +6 more
    fixed: vendor fix RHSA-2018:2748
  • Red Hat Enterprise Linux Server AUS (v. 6.4) perf 2.6.32-358.94.1.el6, kernel 2.6.32-358.94.1.el6, kernel-firmware 2.6.32-358.94.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.94.1.el6
    fixed: vendor fix RHSA-2018:3643
  • Red Hat Enterprise Linux Server AUS (v. 6.5) perf 2.6.32-431.93.2.el6, kernel 2.6.32-431.93.2.el6, kernel-firmware 2.6.32-431.93.2.el6, kernel-abi-whitelists 2.6.32-431.93.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.93.2.el6
    fixed: vendor fix RHSA-2018:2933
  • Red Hat Enterprise Linux Server AUS (v. 6.6) perf 2.6.32-504.76.2.el6, kernel 2.6.32-504.76.2.el6, kernel-firmware 2.6.32-504.76.2.el6, kernel-abi-whitelists 2.6.32-504.76.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.76.2.el6
    fixed: vendor fix RHSA-2018:2924
  • Red Hat Enterprise Linux Server AUS (v. 7.2) perf 3.10.0-327.76.1.el7, kernel 3.10.0-327.76.1.el7, python-perf 3.10.0-327.76.1.el7, kernel-tools 3.10.0-327.76.1.el7, kernel-tools-libs 3.10.0-327.76.1.el7, kernel-abi-whitelists 3.10.0-327.76.1.el7, +1 more Red Hat Enterprise Linux Server E4S (v. 7.2) perf 3.10.0-327.76.1.el7, kernel 3.10.0-327.76.1.el7, python-perf 3.10.0-327.76.1.el7, kernel-tools 3.10.0-327.76.1.el7, kernel-tools-libs 3.10.0-327.76.1.el7, kernel-abi-whitelists 3.10.0-327.76.1.el7, +1 more
    fixed: vendor fix RHSA-2018:3590
  • Red Hat Enterprise Linux Server EUS (v. 6.7) perf 2.6.32-573.65.2.el6, kernel 2.6.32-573.65.2.el6, kernel-kdump 2.6.32-573.65.2.el6, kernel-firmware 2.6.32-573.65.2.el6, kernel-bootwrapper 2.6.32-573.65.2.el6, kernel-abi-whitelists 2.6.32-573.65.2.el6, +4 more
    fixed: vendor fix RHSA-2018:2925
  • Red Hat Enterprise Linux Server EUS (v. 7.3) perf 3.10.0-514.61.1.el7, kernel 3.10.0-514.61.1.el7, python-perf 3.10.0-514.61.1.el7, kernel-kdump 3.10.0-514.61.1.el7, kernel-tools 3.10.0-514.61.1.el7, kernel-tools-libs 3.10.0-514.61.1.el7, +6 more
    fixed: vendor fix RHSA-2018:3591
  • Red Hat Enterprise Linux Server EUS (v. 7.4) perf 3.10.0-693.43.1.el7, kernel 3.10.0-693.43.1.el7, python-perf 3.10.0-693.43.1.el7, kernel-kdump 3.10.0-693.43.1.el7, kernel-tools 3.10.0-693.43.1.el7, kernel-tools-libs 3.10.0-693.43.1.el7, +6 more
    fixed: vendor fix RHSA-2018:3540
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-754.6.3.el6, kernel-debuginfo-common-i686 2.6.32-754.6.3.el6, kernel-debuginfo-common-ppc64 2.6.32-754.6.3.el6, kernel-debuginfo-common-s390x 2.6.32-754.6.3.el6, kernel-debuginfo-common-x86_64 2.6.32-754.6.3.el6
    fixed: vendor fix RHSA-2018:2846
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-862.14.4.el7, kernel-debuginfo-common-x86_64 3.10.0-862.14.4.el7, kernel-debuginfo-common-ppc64le 3.10.0-862.14.4.el7
    fixed: vendor fix RHSA-2018:2748
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.4) kernel 2.6.32-358.94.1.el6, python-perf 2.6.32-358.94.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.94.1.el6
    fixed: vendor fix RHSA-2018:3643
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.5) kernel 2.6.32-431.93.2.el6, python-perf 2.6.32-431.93.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.93.2.el6
    fixed: vendor fix RHSA-2018:2933
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.6) python-perf 2.6.32-504.76.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.76.2.el6
    fixed: vendor fix RHSA-2018:2924
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.76.1.el7 Red Hat Enterprise Linux Server Optional E4S (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.76.1.el7
    fixed: vendor fix RHSA-2018:3590
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.7) python-perf 2.6.32-573.65.2.el6, kernel-debuginfo-common-i686 2.6.32-573.65.2.el6, kernel-debuginfo-common-ppc64 2.6.32-573.65.2.el6, kernel-debuginfo-common-s390x 2.6.32-573.65.2.el6, kernel-debuginfo-common-x86_64 2.6.32-573.65.2.el6
    fixed: vendor fix RHSA-2018:2925
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.3) kernel-debuginfo-common-ppc64 3.10.0-514.61.1.el7, kernel-debuginfo-common-x86_64 3.10.0-514.61.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.61.1.el7
    fixed: vendor fix RHSA-2018:3591
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) kernel-debuginfo-common-ppc64 3.10.0-693.43.1.el7, kernel-debuginfo-common-x86_64 3.10.0-693.43.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.43.1.el7
    fixed: vendor fix RHSA-2018:3540
  • Red Hat Enterprise Linux Server Optional TUS (v. 6.6) python-perf 2.6.32-504.76.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.76.2.el6
    fixed: vendor fix RHSA-2018:2924
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.76.1.el7
    fixed: vendor fix RHSA-2018:3590

7 more fixed, 3 more not affected in the full advisory

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-45516)
  3. Added to CISA KEV
  4. CISA SSVC: exploitation active
  5. CISA patch deadline

Known exploited

Added
9mo ago
Patch by
2026-02-16 (8mo ago)
Ransomware
Not known
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.
Vendor, product
Linux, Kernel
CISA name
Linux Kernel Integer Overflow Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
9mo ago

Exploit prediction

14.69% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45516 Linux Kernel 2.6.x / 3.10.x / 4.14.x (RedHat / Debian / CentOS) (x64) - 'Mutagen Astronomy' Local Privilege Escalation local, 2018-09-26
  • openwall.com https://www.openwall.com/lists/oss-security/2018/09/25/4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • The Linux Foundation kernel

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.