Description
GNOME Display Manager (gdm) before 2.32.2, when glib 2.28 is used, enables execution of a web browser with the uid of the gdm account, which allows local users to gain privileges via vectors involving the x-scheme-handler/http MIME type.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gdm | 3.22.1-1.2 | openSUSE-SU-2024:10412-1 |
Advisories 1
- openSUSE-SU-2024:10412-1 gdm-3.22.1-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://ftp.gnome.org/pub/GNOME/sources/gdm/2.32/gdm-2.32.2.news
- http://git.gnome.org/browse/gdm/commit/?id=d13dd72531599ab7e4c747db3b58a8c17753e08d
- 44797 third-party-advisory
- FEDORA-2011-7822 vendor-advisory
- USN-1142-1 vendor-advisory
- 48084 vdb-entry
- openSUSE-SU-2011:0581 vendor-advisory
- 44808 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=709139