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CVE-2018-6557 The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before…
Description
The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10.1ubuntu6 incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| base-files 10.1 | earliest → < 10.1ubuntu2.2 | 10.1ubuntu2.2 |