PT-2025-46656 · Unknown+1 · Lightdm-Kde-Greeter+1

Matthias Gerstner · Published 2025-11-12 · Updated 2025-12-01 · CVE-2025-62876

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Medium

Base vector

AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions lightdm-kde-greeter versions prior to 6.0.4

Description An issue exists in lightdm-kde-greeter that allows for privilege escalation from the service user to root. This is due to execution with unnecessary privileges.

Recommendations Update lightdm-kde-greeter to version 6.0.4 or later.

Fix

LPE

Weakness Enumeration

CWE-250

Related Identifiers

ALT-PU-2025-14155

ALT-PU-2025-14534

CVE-2025-62876

OPENSUSE-SU-2025:15788-1

Affected Products

Alt Linux

Lightdm-Kde-Greeter

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2025-62876 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15788-1 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1988764603900203503 · Twitter Post
• https://suse.com/security/cve/CVE-2025-62876 · Note
• https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62876 · Note
• https://t.me/cveNotify/142524 · Telegram Post
• https://twitter.com/oss_security/status/1990434101178884204 · Twitter Post
• https://t.me/CVEtracker/37139 · Telegram Post
• https://twitter.com/CVEnew/status/1988721736133575066 · Twitter Post
• http://openwall.com/lists/oss-security/2025/11/17/4 · Note