# CVE-2018-14424: gdm3: The daemon in GDM through 3.29.1 does not properly unexport display objectsfrom its D-Bus interface when they are des...

CVE-2018-14424 is fixed in 3 products on 1 platform, first by gdm3 3.28.2-0ubuntu1.4, released August 12, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-14424
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0054
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 12, 2018

## Description

The daemon in GDM through 3.29.1 does not properly unexport display objectsfrom its D-Bus interface when they are destroyed, which allows a localattacker to trigger a use-after-free via a specially crafted sequence ofD-Bus method calls, resulting in a denial of service or potential codeexecution.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gdm3 Ubuntu 18.04.6 LTS (bionic) | 3.28.2-0ubuntu1.4 | [gdm3 3.28.2-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gdm3-3.28.2-0ubuntu1.4.md) | Aug 12, 2018 |
| Linux | gdm3 Ubuntu 24.10 (oracular) | 3.29.91-1ubuntu1 | [gdm3 3.29.91-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-gdm3-3.29.91-1ubuntu1.md) | Aug 13, 2018 |
| Linux | gdm3 Ubuntu 25.04 (plucky) | 3.29.91-1ubuntu1 | [gdm3 3.29.91-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-gdm3-3.29.91-1ubuntu1.md) | Aug 13, 2018 |
| Linux | gir1.2-gdm-1.0 Ubuntu 18.04.6 LTS (bionic) | 3.28.2-0ubuntu1.4 | [gir1.2-gdm-1.0 3.28.2-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-gdm-1.0-3.28.2-0ubuntu1.4.md) | Aug 12, 2018 |
| Linux | gir1.2-gdm-1.0 Ubuntu 24.10 (oracular) | 3.29.91-1ubuntu1 | [gir1.2-gdm-1.0 3.29.91-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-gir1.2-gdm-1.0-3.29.91-1ubuntu1.md) | Aug 13, 2018 |
| Linux | gir1.2-gdm-1.0 Ubuntu 25.04 (plucky) | 3.29.91-1ubuntu1 | [gir1.2-gdm-1.0 3.29.91-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-gir1.2-gdm-1.0-3.29.91-1ubuntu1.md) | Aug 13, 2018 |
| Linux | libgdm1 Ubuntu 18.04.6 LTS (bionic) | 3.28.2-0ubuntu1.4 | [libgdm1 3.28.2-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgdm1-3.28.2-0ubuntu1.4.md) | Aug 12, 2018 |
| Linux | libgdm1 Ubuntu 24.10 (oracular) | 3.29.91-1ubuntu1 | [libgdm1 3.29.91-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libgdm1-3.29.91-1ubuntu1.md) | Aug 13, 2018 |
| Linux | libgdm1 Ubuntu 25.04 (plucky) | 3.29.91-1ubuntu1 | [libgdm1 3.29.91-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libgdm1-3.29.91-1ubuntu1.md) | Aug 13, 2018 |

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