# CVE-2025-54409: AIDE null pointer dereference when reading incorrectly encoded xattr attributes from database (local DoS) CVE-2025-54409 is fixed in 6 products on 1 platform, first by aide 0.16-3ubuntu0.1+esm1, released August 14, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-54409 - Priority: Routine - CVSS: 6.2 (Moderate) - EPSS: 0.0026 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 14, 2025 - Weakness: NULL Pointer Dereference - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54409 ## Description AIDE is an advanced intrusion detection environment. From versions 0.13 to0.19.1, there is a null pointer dereference vulnerability in AIDE. Anattacker can crash the program during report printing or database listingafter setting extended file attributes with an empty attribute value orwith a key containing a comma. A local user might exploit this to cause alocal denial of service. This issue has been patched in version 0.19.2. Aworkaround involves removing xattrs group from rules matching files onaffected file systems. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | aide Debian 12.15 (bookworm) | 0.18.3-1+deb12u4 | [DEBIAN-CVE-2025-54409](https://patchblox.com/security/data/fix/linux/debian-cve-2025-54409.md) | Aug 14, 2025 | | Linux | aide Debian 13.5 (trixie) | 0.19.1-2+deb13u1 | [DEBIAN-CVE-2025-54409](https://patchblox.com/security/data/fix/linux/debian-cve-2025-54409.md) | Aug 14, 2025 | | Linux | aide Debian 14 | 0.19.2-1 | [DEBIAN-CVE-2025-54409](https://patchblox.com/security/data/fix/linux/debian-cve-2025-54409.md) | Aug 14, 2025 | | Linux | aide Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1+esm1 | [aide 0.16-3ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-0.16-3ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1+esm1 | [aide 0.16.1-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-0.16.1-1ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide Ubuntu 22.04.1 LTS (jammy) | 0.17.4-1ubuntu0.2 | [aide 0.17.4-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aide-0.17.4-1ubuntu0.2.md) | Aug 14, 2025 | | Linux | aide Ubuntu 24.04.5 LTS (noble) | 0.18.6-2ubuntu0.1 | [aide 0.18.6-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-aide-0.18.6-2ubuntu0.1.md) | Aug 14, 2025 | | Linux | aide Ubuntu 25.04 (plucky) | 0.18.8-2ubuntu0.1 | [aide 0.18.8-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-aide-0.18.8-2ubuntu0.1.md) | Jan 16, 2026 | | Linux | aide amzn 2023 | 0.18.6-1.amzn2023.0.2 | [ALAS2023-2026-1462](https://patchblox.com/security/data/fix/linux/alas2023-2026-1462.md) | Mar 2, 2026 | | Linux | aide-common Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1+esm1 | [aide-common 0.16-3ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-common-0.16-3ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide-common Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1+esm1 | [aide-common 0.16.1-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-common-0.16.1-1ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide-common Ubuntu 22.04.1 LTS (jammy) | 0.17.4-1ubuntu0.2 | [aide-common 0.17.4-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aide-common-0.17.4-1ubuntu0.2.md) | Aug 14, 2025 | | Linux | aide-common Ubuntu 24.04.5 LTS (noble) | 0.18.6-2ubuntu0.1 | [aide-common 0.18.6-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-aide-common-0.18.6-2ubuntu0.1.md) | Aug 14, 2025 | | Linux | aide-common Ubuntu 25.04 (plucky) | 0.18.8-2ubuntu0.1 | [aide-common 0.18.8-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-aide-common-0.18.8-2ubuntu0.1.md) | Jan 16, 2026 | | Linux | aide-debuginfo amzn 2023 | 0.18.6-1.amzn2023.0.2 | [ALAS2023-2026-1462](https://patchblox.com/security/data/fix/linux/alas2023-2026-1462.md) | Mar 2, 2026 | | Linux | aide-debugsource amzn 2023 | 0.18.6-1.amzn2023.0.2 | [ALAS2023-2026-1462](https://patchblox.com/security/data/fix/linux/alas2023-2026-1462.md) | Mar 2, 2026 | | Linux | aide-dynamic Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1+esm1 | [aide-dynamic 0.16-3ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-dynamic-0.16-3ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide-dynamic Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1+esm1 | [aide-dynamic 0.16.1-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-dynamic-0.16.1-1ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide-dynamic Ubuntu 22.04.1 LTS (jammy) | 0.17.4-1ubuntu0.2 | [aide-dynamic 0.17.4-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aide-dynamic-0.17.4-1ubuntu0.2.md) | Aug 14, 2025 | | Linux | aide-dynamic Ubuntu 24.04.5 LTS (noble) | 0.18.6-2ubuntu0.1 | [aide-dynamic 0.18.6-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-aide-dynamic-0.18.6-2ubuntu0.1.md) | Aug 14, 2025 | | Linux | aide-dynamic Ubuntu 25.04 (plucky) | 0.18.8-2ubuntu0.1 | [aide-dynamic 0.18.8-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-aide-dynamic-0.18.8-2ubuntu0.1.md) | Jan 16, 2026 | | Linux | aide-xen Ubuntu 18.04.6 LTS (bionic) | 0.16-3ubuntu0.1+esm1 | [aide-xen 0.16-3ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-aide-xen-0.16-3ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide-xen Ubuntu 20.04 LTS (focal) | 0.16.1-1ubuntu0.1+esm1 | [aide-xen 0.16.1-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-aide-xen-0.16.1-1ubuntu0.1-esm1.md) | Aug 14, 2025 | | Linux | aide-xen Ubuntu 22.04.1 LTS (jammy) | 0.17.4-1ubuntu0.2 | [aide-xen 0.17.4-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aide-xen-0.17.4-1ubuntu0.2.md) | Aug 14, 2025 | --- Data as of 2026-11-08T06:59:42Z UTC. 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