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.
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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gdm3 · Ubuntu 18.04.6 LTS (bionic) | 3.28.2-0ubuntu1.4 | gdm3 3.28.2-0ubuntu1.4 | Aug 12, 2018 |
| gdm3 · Ubuntu 24.10 (oracular) | 3.29.91-1ubuntu1 | gdm3 3.29.91-1ubuntu1 | Aug 13, 2018 |
| gdm3 · Ubuntu 25.04 (plucky) | 3.29.91-1ubuntu1 | gdm3 3.29.91-1ubuntu1 | Aug 13, 2018 |
| 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 | Aug 12, 2018 |
| gir1.2-gdm-1.0 · Ubuntu 24.10 (oracular) | 3.29.91-1ubuntu1 | gir1.2-gdm-1.0 3.29.91-1ubuntu1 | Aug 13, 2018 |
| gir1.2-gdm-1.0 · Ubuntu 25.04 (plucky) | 3.29.91-1ubuntu1 | gir1.2-gdm-1.0 3.29.91-1ubuntu1 | Aug 13, 2018 |
| libgdm1 · Ubuntu 18.04.6 LTS (bionic) | 3.28.2-0ubuntu1.4 | libgdm1 3.28.2-0ubuntu1.4 | Aug 12, 2018 |
| libgdm1 · Ubuntu 24.10 (oracular) | 3.29.91-1ubuntu1 | libgdm1 3.29.91-1ubuntu1 | Aug 13, 2018 |
| libgdm1 · Ubuntu 25.04 (plucky) | 3.29.91-1ubuntu1 | libgdm1 3.29.91-1ubuntu1 | Aug 13, 2018 |
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