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TI-2021-14394 Aliases CVE-2021-35939GHSA-prgv-w33h-5m73

Link following in RPM

Priority LOW 30CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 14 fixed, 2 without a fix

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

Summary

It was found that the fix for CVE-2017-7500 and CVE-2017-7501 was incomplete: the check was only implemented for the parent directory of the file to be created. A local unprivileged user who owns another ancestor directory could potentially use this flaw to gain root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Why it matters now

EPSS 0.00508 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 8 advisoriesRed Hat: 14 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—RPMFixed in RPM-v4.18—No fix listedCNA
  • RPM Vendor— Affected Fixed in RPM-v4.18 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*before 4.18VulnerableRpm
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
  • cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:* Versions before 4.18 Vulnerable ·Rpm
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat

Remediation

Red Hat 8 advisories

  • RHSA-2024:1477 Released 2024-03-25 · Red Hat rating Moderate
    Red Hat OpenShift for Windows Containers 8.1.2 security update
    • Red Hat OpenShift Container Platform 4.13 openshift4-wincw/windows-machine-config-operator-bundle, openshift4-wincw/windows-machine-config-rhel9-operator
  • RHSA-2024:1383 Released 2024-03-19 · Red Hat rating Important
    Red Hat OpenShift Data Foundation 4.15.0 security, enhancement, & bug fix update
    • RHODF 4.15 for RHEL 9 odf4/cephcsi-rhel9, odf4/mcg-core-rhel9, odf4/mcg-operator-bundle +23
  • RHSA-2024:0647 Released 2024-02-01 · Red Hat rating Moderate
    rpm security update
    • Red Hat Enterprise Linux AppStream (v. 8) rpm-build-4.14.3-28.el8_9, rpm-plugin-fapolicyd-4.14.3-28.el8_9
    • Red Hat Enterprise Linux BaseOS (v. 8) python3-rpm-4.14.3-28.el8_9, rpm-4.14.3-28.el8_9, rpm-apidocs-4.14.3-28.el8_9 +10
Show 5 more Red Hat advisories
  • RHSA-2024:0582 Released 2024-01-30 · Red Hat rating Moderate
    rpm security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) rpm-build-4.14.3-28.el8_8, rpm-plugin-fapolicyd-4.14.3-28.el8_8
    • Red Hat Enterprise Linux BaseOS EUS (v.8.8) python3-rpm-4.14.3-28.el8_8, rpm-4.14.3-28.el8_8, rpm-apidocs-4.14.3-28.el8_8 +10
  • RHSA-2024:0435 Released 2024-01-25 · Red Hat rating Moderate
    rpm security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) rpm-apidocs-4.16.1.3-14.el9_0.1, rpm-build-4.16.1.3-14.el9_0.1, rpm-cron-4.16.1.3-14.el9_0.1 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) python3-rpm-4.16.1.3-14.el9_0.1, rpm-4.16.1.3-14.el9_0.1, rpm-build-libs-4.16.1.3-14.el9_0.1 +5
  • RHSA-2024:0463 Released 2024-01-25 · Red Hat rating Moderate
    rpm security update
    • Red Hat Enterprise Linux AppStream (v. 9) rpm-apidocs-4.16.1.3-27.el9_3, rpm-build-4.16.1.3-27.el9_3, rpm-cron-4.16.1.3-27.el9_3 +5
    • Red Hat Enterprise Linux BaseOS (v. 9) python3-rpm-4.16.1.3-27.el9_3, rpm-4.16.1.3-27.el9_3, rpm-build-libs-4.16.1.3-27.el9_3 +5
  • RHSA-2024:0453 Released 2024-01-25 · Red Hat rating Moderate
    rpm security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) rpm-apidocs-4.16.1.3-24.el9_2, rpm-build-4.16.1.3-24.el9_2, rpm-cron-4.16.1.3-24.el9_2 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.2) python3-rpm-4.16.1.3-24.el9_2, rpm-4.16.1.3-24.el9_2, rpm-build-libs-4.16.1.3-24.el9_2 +5
  • RHSA-2024:0424 Released 2024-01-25 · Red Hat rating Moderate
    rpm security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) rpm-build-4.14.3-26.el8_6, rpm-plugin-fapolicyd-4.14.3-26.el8_6
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) python3-rpm-4.14.3-26.el8_6, rpm-4.14.3-26.el8_6, rpm-apidocs-4.14.3-26.el8_6 +10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
RHODF 4.15 for RHEL 9Fixed RHSA-2024:1383
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:0647
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:0463
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2024:0424
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:0582
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2024:0435
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:0453
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2024:0647
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:0463
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2024:0424
Red Hat Enterprise Linux BaseOS EUS (v.8.8)Fixed RHSA-2024:0582
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2024:0435
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2024:0453
Red Hat OpenShift Container Platform 4.13Fixed RHSA-2024:1477

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-35939
  2. 2026-10-03 Alias added: GHSA-prgv-w33h-5m73

References

Exploit 1

Patch 2

Advisory 3

Sources

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