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TI-2014-02493 Aliases CVE-2014-3122GHSA-6857-hpc4-ph9x

The try_to_unmap_cluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not…

Priority LOW 23CWE-400Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

The try_to_unmap_cluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not properly consider which pages must be locked, which allows local users to cause a denial of service (system crash) by triggering a memory-usage pattern that requires removal of page-table mappings.

Why it matters now

EPSS 0.00489 42nd 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 · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 3.14.3VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 3.14.3 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2014:1392 Released 2014-10-13 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-504.el6, kernel-abi-whitelists-2.6.32-504.el6, kernel-debug-2.6.32-504.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-504.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-504.el6, kernel-abi-whitelists-2.6.32-504.el6, kernel-debug-2.6.32-504.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-504.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-504.el6, kernel-abi-whitelists-2.6.32-504.el6, kernel-bootwrapper-2.6.32-504.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-504.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-504.el6, kernel-abi-whitelists-2.6.32-504.el6, kernel-debug-2.6.32-504.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-504.el6
  • RHSA-2014:0557 Released 2014-05-27 · Red Hat rating Important
    kernel-rt security update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.10.33-rt32.34.el6rt, kernel-rt-debug-3.10.33-rt32.34.el6rt, kernel-rt-debug-devel-3.10.33-rt32.34.el6rt +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:1392
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:1392
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2014:0557
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-3122
  2. 2026-10-03 Alias added: GHSA-6857-hpc4-ph9x

References

Patch 4

Advisory 2

Other 1

Sources

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