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TI-2018-00970 Aliases CVE-2018-1049GHSA-4pg2-ppcx-jh29

Race condition in Red Hat systemd

Priority LOW 37CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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

In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from kernel may not be serviced by systemd resulting in kernel holding the mountpoint and any processes that try to use said mount will hang. A race condition like this may lead to denial of service, until mount points are unmounted.

Why it matters now

EPSS 0.07441 94th percentileScored 2026-11-07
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
Red Hatsystemdbefore 234234Patch availableCNA
  • systemd VendorRed Hat Affected before 234 Fixed in 234 Patch available CNA

CPE configurations NVD · 17

CPEVersionsRoleVendor
cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*before 234Vulnerablesystemd
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
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_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
  • cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* Versions before 234 Vulnerable ·systemd
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • 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_aus:7.4:*:*:*:*:*:*:* Versions 7.4 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:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
Show 7 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
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:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red 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
  • 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:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2018:0260 Released 2018-01-31 · Red Hat rating Moderate
    systemd security update
    • Red Hat Enterprise Linux Client (v. 7) libgudev1-219-42.el7_4.7, systemd-219-42.el7_4.7, systemd-libs-219-42.el7_4.7 +2
    • Red Hat Enterprise Linux Client Optional (v. 7) libgudev1-devel-219-42.el7_4.7, systemd-devel-219-42.el7_4.7, systemd-journal-gateway-219-42.el7_4.7 +2
    • Red Hat Enterprise Linux ComputeNode (v. 7) libgudev1-219-42.el7_4.7, systemd-219-42.el7_4.7, systemd-libs-219-42.el7_4.7 +2
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libgudev1-devel-219-42.el7_4.7, systemd-devel-219-42.el7_4.7, systemd-journal-gateway-219-42.el7_4.7 +2
    • Red Hat Enterprise Linux Server (v. 7) libgudev1-219-42.el7_4.7, libgudev1-219-42.el7_4.7.ppc, libgudev1-devel-219-42.el7_4.7 +8
    • Red Hat Enterprise Linux Server Optional (v. 7) systemd-journal-gateway-219-42.el7_4.7, systemd-networkd-219-42.el7_4.7, systemd-resolved-219-42.el7_4.7 +1
    • Red Hat Enterprise Linux Workstation (v. 7) libgudev1-219-42.el7_4.7, libgudev1-devel-219-42.el7_4.7, systemd-219-42.el7_4.7 +4
    • Red Hat Enterprise Linux Workstation Optional (v. 7) systemd-journal-gateway-219-42.el7_4.7, systemd-networkd-219-42.el7_4.7, systemd-resolved-219-42.el7_4.7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) libgudev1-219-42.el7_4.7, libgudev1-devel-219-42.el7_4.7, systemd-219-42.el7_4.7 +4
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) systemd-journal-gateway-219-42.el7_4.7, systemd-networkd-219-42.el7_4.7, systemd-resolved-219-42.el7_4.7

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-2018:0260
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:0260
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:0260
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1049
  2. 2026-10-03 Alias added: GHSA-4pg2-ppcx-jh29

References

  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
See all 1955 →

Sources