The MOTD update script in the base-files package in Ubuntu 18.04 LTS prior to 10.1ubuntu2.2, and Ubuntu 18.10 prior to 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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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canonical ubuntu linux 18.04 |
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canonical ubuntu linux 18.10 |
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base-files project base-files 10.1ubuntu2.2 |