Read the docs
TI-2014-06703 Aliases CVE-2014-8086GHSA-9jxp-4r84-xf98

Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel…

Priority LOW 22CWE-362Published · Updated

Key facts

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

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

Summary

Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.

Why it matters now

EPSS 0.00374 31st percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
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 · 2

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.17VulnerableLinux
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:*11 sp2VulnerableSUSE
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·Linux
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:* Versions 11 sp2 Vulnerable ·SUSE

Remediation

Red Hat 2 advisories

  • RHSA-2015:0694 Released 2015-03-17 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-229.rt56.144.el6rt, kernel-rt-debug-1:3.10.0-229.rt56.144.el6rt, kernel-rt-debug-devel-1:3.10.0-229.rt56.144.el6rt +7
  • RHSA-2015:0290 Released 2015-03-05 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-229.el7, kernel-abi-whitelists-3.10.0-229.el7, kernel-debug-3.10.0-229.el7 +7
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.el7, python-perf-3.10.0-229.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-229.el7, kernel-abi-whitelists-3.10.0-229.el7, kernel-debug-3.10.0-229.el7 +7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.el7, python-perf-3.10.0-229.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-229.el7, kernel-abi-whitelists-3.10.0-229.el7, kernel-bootwrapper-3.10.0-229.el7 +10
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.el7, python-perf-3.10.0-229.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-229.el7, kernel-abi-whitelists-3.10.0-229.el7, kernel-debug-3.10.0-229.el7 +7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.el7, python-perf-3.10.0-229.el7

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-2015:0290
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:0290
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2015:0290
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:0290
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:0290
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:0290
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:0290
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:0290
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2015:0694
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-8086
  2. 2026-10-03 Alias added: GHSA-9jxp-4r84-xf98

References

Exploit 3

Patch 2

Advisory 4

Sources

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