Medium severity4.6NVD Advisory· Published May 12, 2017· Updated Jun 17, 2026

CVE-2017-8900

Description

LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Lightdm Project/Lightdm
cpe:2.3:a:lightdm_project:lightdm:*:*:*:*:*:*:*:*
Range: <=1.22.0
Canonical/Lightdmllm-fuzzy
Range: <=1.22.0

Patches

Vulnerability mechanics

References

launchpad.net/bugs/1663157nvdIssue TrackingPatchVendor Advisory
people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8900.htmlnvdPatchVendor Advisory
www.ubuntu.com/usn/usn-3285-1/nvdPatchVendor Advisory
www.securityfocus.com/bid/98554nvdThird Party AdvisoryVDB Entry

News mentions

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