Stack memory exhausted (SP below stack segment) Source '0x8(%rax)' (0x7fcf00000008) not located in a known VMA region (needed readable region)!

Segfault happened at: 0x7fcf54779d7b: mov 0x8(%rax),%rcx ProcCmdline: /usr/libexec/ xdg-desktop- portal InstallationMedia: Ubuntu 22.04 LTS 'Jammy Jellyfish' - Alpha amd64 (20220325) InstallationDate: Installed on (4 days ago) ProcVersionSign ature: Ubuntu 5.15.0- 23.23-generic 5.15.27ĮxecutablePath: /usr/libexec/ xdg-desktop- portal com/flatpak/ xdg-desktop- portal/ issues/ 771ĭescription: Ubuntu Jammy Jellyfish (development branch) Reported upstream as well: https:/ /github. com/English/ discussion/ 122410/ teamviewer- support- on-wayland- experimental- state-% F0%9F%A7% AA) Screen cast continues to run (i.e., PipeWire stream), but input stops.Ĭan be reproduced by using the experimental Wayland support of TeamViewer ( https:/ /community. Not required (Authentication is not required to exploit the vulnerability.Xdg-desktop-portal 1.14.3 has a single change fixing a consistent crash when using the experimental Wayland feature in TeamViewer.Ĭrash happened a short time after starting a screen cast / remote desktop session using the Freedesktop portal API in a Wayland session with mouse and keyboard input. Some preconditions must be satistified to exploit) Medium (The access conditions are somewhat specialized. None (There is no impact to the availability of the system.) Next time it started fine, worked for about 10-15 minutes and again out of nowhere it froze and all the computer got frozen. I waited about a minute and had to do hard restart.

Nothing could be run, no mouse moves, nothing. Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.) Anyway, the first time I started it, my computer froze. None (There is no impact to the confidentiality of the system.)

Teamviewer linux crash