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TI-2018-13045 Aliases CVE-2018-18445GHSA-c3vm-qh5c-27gq

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty…

Priority LOW 35CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Why it matters now

EPSS 0.00537 45th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.14.9 to before 4.14.75; 4.15 to before 4.18.13VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.14.9 to before 4.14.75; 4.15 to before 4.18.13 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2019:0512 Released 2019-03-13 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-957.10.1.el7, kernel-3.10.0-957.10.1.el7, kernel-abi-whitelists-3.10.0-957.10.1.el7 +9
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.10.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-957.10.1.el7, kernel-3.10.0-957.10.1.el7, kernel-abi-whitelists-3.10.0-957.10.1.el7 +9
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.10.1.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-957.10.1.el7, kernel-3.10.0-957.10.1.el7, kernel-abi-whitelists-3.10.0-957.10.1.el7 +12
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-957.10.1.el7, kernel-tools-libs-devel-3.10.0-957.10.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-957.10.1.el7, kernel-3.10.0-957.10.1.el7, kernel-abi-whitelists-3.10.0-957.10.1.el7 +9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.10.1.el7
  • RHSA-2019:0514 Released 2019-03-13 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-957.10.1.rt56.921.el7, kernel-rt-debug-3.10.0-957.10.1.rt56.921.el7, kernel-rt-debug-devel-3.10.0-957.10.1.rt56.921.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-957.10.1.rt56.921.el7, kernel-rt-debug-3.10.0-957.10.1.rt56.921.el7, kernel-rt-debug-devel-3.10.0-957.10.1.rt56.921.el7 +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2019:0514
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:0512
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2019:0514
Not affected: 5 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-18445
  2. 2026-10-03 Alias added: GHSA-c3vm-qh5c-27gq

References

Patch 5

Advisory 8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences