[ CVE-2026-97029 · Published 29 Sep 2026 ]
Vulnerability in Red Hat Enterprise Linux 10
CVSS 5.7
EPSS <1%No fix listed yet
[ Description ]Official description
Flatpak's process ID namespace separation does not prevent a sandboxed app's kill(0, signal) or killpg(0, signal) calls from reaching processes outside the sandbox that share the same process group. A malicious or compromised Flatpak app can use this to cause denial of service by terminating processes outside its sandbox, such as the desktop shell.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.