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TI-2021-20518 Aliases CVE-2021-45417GHSA-gfm2-8gq5-m3x8

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata…

Priority LOW 35CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.

Why it matters now

EPSS 0.00493 42nd percentileScored 2026-11-08
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed Red Hat: 8 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 · 16

CPEVersionsRoleVendor
cpe:2.3:a:advanced_intrusion_detection_environment_project:advanced_intrusion_detection_environment:*:*:*:*:*:*:*:*0.13 – 0.17.3VulnerableAdvanced Intrusion Detection Environment Project
cpe:2.3:a:redhat:ovirt-node:4.4.10:*:*:*:*:*:*:*4.4.10VulnerableRed Hat
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:advanced_intrusion_detection_environment_project:advanced_intrusion_detection_environment:*:*:*:*:*:*:*:* Versions 0.13 – 0.17.3 Vulnerable ·Advanced Intrusion Detection Environment Project
  • cpe:2.3:a:redhat:ovirt-node:4.4.10:*:*:*:*:*:*:* Versions 4.4.10 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*20.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:*21.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*21.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:* Versions 21.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* Versions 21.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Red Hat 8 advisories

  • RHSA-2022:1263 Released 2022-04-07 · Red Hat rating Important
    RHV-H security update (redhat-virtualization-host) 4.3.22
    • RHEL 7-based RHEV-H for RHEV 4 (build requirements) redhat-virtualization-host-4.3.22-20220330.1.el7_9, redhat-virtualization-host-image-update-4.3.22-20220330.1.el7_9
    • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host-4.3.22-20220330.1.el7_9, redhat-virtualization-host-image-update-4.3.22-20220330.1.el7_9
  • RHSA-2022:0540 Released 2022-02-15 · Red Hat rating Important
    Red Hat Virtualization Host security update [ovirt-4.4.10-1]
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host-4.4.10-202202081536_8.5, redhat-virtualization-host-image-update-4.4.10-202202081536_8.5
  • RHSA-2022:0473 Released 2022-02-08 · Red Hat rating Important
    aide security update
    • Red Hat Enterprise Linux Client (v. 7) aide-0.15.1-13.el7_9.1
    • Red Hat Enterprise Linux Server (v. 7) aide-0.15.1-13.el7_9.1
    • Red Hat Enterprise Linux Workstation (v. 7) aide-0.15.1-13.el7_9.1
Show 5 more Red Hat advisories
  • RHSA-2022:0472 Released 2022-02-08 · Red Hat rating Important
    aide security update
    • Red Hat Enterprise Linux Server (v. 6 ELS) aide-0.14-11.el6_10.1
  • RHSA-2022:0464 Released 2022-02-08 · Red Hat rating Important
    aide security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) aide-0.16-11.el8_1.1
  • RHSA-2022:0456 Released 2022-02-07 · Red Hat rating Important
    aide security update
    • Red Hat Enterprise Linux AppStream EUS (v. 8.2) aide-0.16-11.el8_2.1
  • RHSA-2022:0440 Released 2022-02-07 · Red Hat rating Important
    aide security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) aide-0.16-14.el8_4.1
  • RHSA-2022:0441 Released 2022-02-07 · Red Hat rating Important
    aide security update
    • Red Hat Enterprise Linux AppStream (v. 8) aide-0.16-14.el8_5.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL 7-based RHEV-H for RHEV 4 (build requirements)Fixed RHSA-2022:1263
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:0441
Red Hat Enterprise Linux AppStream E4S (v. 8.1)Fixed RHSA-2022:0464
Red Hat Enterprise Linux AppStream EUS (v. 8.2)Fixed RHSA-2022:0456
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2022:0440
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2022:0473
Red Hat Enterprise Linux Server (v. 6 ELS)Fixed RHSA-2022:0472
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2022:0473
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2022:0473
Red Hat Virtualization 4 Hypervisor for RHEL 7Fixed RHSA-2022:1263
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2022:0540
Not affected: 4 products
  • RHEL 7-based RHEV-H for RHEV 4 (build requirements)
  • RHEL 8-based RHEV-H for RHEV 4 (build requirements)
  • Red Hat Enterprise Linux 9
  • Red Hat Virtualization 4 Hypervisor for RHEL 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45417
  2. 2026-10-03 Alias added: GHSA-gfm2-8gq5-m3x8

References

Exploit 3

Advisory 3

Sources

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