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TI-2016-06548 Aliases CVE-2016-7796GHSA-cm6j-6m6x-hmjq

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial…

Priority LOW 26CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.

Why it matters now

EPSS 0.00855 58th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 1 advisory

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 · 13

CPEVersionsRoleVendor
cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*209Vulnerablesystemd
cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*213Vulnerablesystemd
cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*214Vulnerablesystemd
cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*229Vulnerablesystemd
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*12.0 sp1VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*12 sp1VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*12.0VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*12.0 sp1VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*12.0VulnerableNovell
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:* Versions 209 Vulnerable ·systemd
  • cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:* Versions 213 Vulnerable ·systemd
  • cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:* Versions 214 Vulnerable ·systemd
  • cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:* Versions 229 Vulnerable ·systemd
  • cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:* Versions 12 sp1 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_hpc_node: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_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_hpc_node: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_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2017:0003 Released 2017-01-03 · Red Hat rating Moderate
    systemd security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) libgudev1-208-20.el7_1.9, systemd-208-20.el7_1.9, systemd-libs-208-20.el7_1.9 +2
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) libgudev1-devel-208-20.el7_1.9, systemd-devel-208-20.el7_1.9, systemd-journal-gateway-208-20.el7_1.9
    • Red Hat Enterprise Linux Server EUS (v. 7.1) libgudev1-208-20.ael7b_1.9, libgudev1-208-20.el7_1.9, libgudev1-208-20.el7_1.9.ppc +15
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.1) systemd-journal-gateway-208-20.ael7b_1.9, systemd-journal-gateway-208-20.el7_1.9

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—
Red Hat Enterprise Linux Client Optional (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode EUS (v. 7.1)Fixed RHSA-2017:0003
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1)Fixed RHSA-2017:0003
Red Hat Enterprise Linux Server (v. 7)Fixed—
Red Hat Enterprise Linux Server EUS (v. 7.1)Fixed RHSA-2017:0003
Red Hat Enterprise Linux Server Optional (v. 7)Fixed—
Red Hat Enterprise Linux Server Optional EUS (v. 7.1)Fixed RHSA-2017:0003
Red Hat Enterprise Linux Workstation (v. 7)Fixed—
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed—

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-7796
  2. 2026-10-03 Alias added: GHSA-cm6j-6m6x-hmjq

References

Exploit 2

Advisory 6

Sources

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