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TI-2016-05319 Aliases CVE-2016-6198GHSA-pvqg-4394-gpjv

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename…

Priority LOW 26CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 11 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-284.

Summary

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.

Why it matters now

EPSS 0.00637 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 11 fixed, 1 without a fix

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 · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.5.4VulnerableLinux
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*6VulnerableOracle
cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:*:*3.4VulnerableOracle
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.5.4 Vulnerable ·Linux
  • cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·Oracle

Remediation

Red Hat 4 advisories

  • RHSA-2016:2584 Released 2016-11-03 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-514.rt56.420.el7, kernel-rt-debug-3.10.0-514.rt56.420.el7, kernel-rt-debug-devel-3.10.0-514.rt56.420.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.rt56.420.el7, kernel-rt-debug-3.10.0-514.rt56.420.el7, kernel-rt-debug-devel-3.10.0-514.rt56.420.el7 +7
  • RHSA-2016:2574 Released 2016-11-03 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-bootwrapper-3.10.0-514.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.el7, kernel-tools-libs-devel-3.10.0-514.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
  • RHSA-2016:1875 Released 2016-09-15 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-327.36.1.rt56.237.el7, kernel-rt-debug-3.10.0-327.36.1.rt56.237.el7, kernel-rt-debug-devel-3.10.0-327.36.1.rt56.237.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-327.36.1.rt56.237.el7, kernel-rt-debug-3.10.0-327.36.1.rt56.237.el7, kernel-rt-debug-devel-3.10.0-327.36.1.rt56.237.el7 +7
Show 1 more Red Hat advisories
  • RHSA-2016:1847 Released 2016-09-15 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-327.36.1.el7, kernel-abi-whitelists-3.10.0-327.36.1.el7, kernel-debug-3.10.0-327.36.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.36.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-327.36.1.el7, kernel-abi-whitelists-3.10.0-327.36.1.el7, kernel-debug-3.10.0-327.36.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.36.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-327.36.1.el7, kernel-abi-whitelists-3.10.0-327.36.1.el7, kernel-bootwrapper-3.10.0-327.36.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-327.36.1.el7, kernel-tools-libs-devel-3.10.0-327.36.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-327.36.1.el7, kernel-abi-whitelists-3.10.0-327.36.1.el7, kernel-debug-3.10.0-327.36.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.36.1.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise MRG 2AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2016:1875
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:1847, RHSA-2016:2574
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2016:2584
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2016:1875, RHSA-2016:2584
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6198
  2. 2026-10-03 Alias added: GHSA-pvqg-4394-gpjv
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Exploit 1

Patch 4

Advisory 6

Other 2

Sources

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