High severity7.0NVD Advisory· Published Aug 21, 2018· Updated Jun 17, 2026
CVE-2018-6557
CVE-2018-6557
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2before 10.1ubuntu2.2 (Ubuntu 18.04 LTS) and before 10.1ubuntu6 (Ubuntu 18.10)+ 1 more
- (no CPE)range: before 10.1ubuntu2.2 (Ubuntu 18.04 LTS) and before 10.1ubuntu6 (Ubuntu 18.10)
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
3- www.securityfocus.com/bid/105148nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041530nvdBroken LinkThird Party AdvisoryVDB Entry
- usn.ubuntu.com/3748-1/nvdVendor Advisory
News mentions
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