CVE-2022-23091 Memory disclosure by stale virtual memory mapping

A particular case of memory sharing is mishandled in the virtual memory system. This is very similar to SA-21:08.vm, but with a different root cause. An unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to othe...

CVE-2022-23091

CVE-2022-23091 relates to FreeBSD: memory sharing in the virtual memory system mishandled, allowing an unprivileged local process to keep a page mapping after it is freed and read private data from other processes or the kernel. The advisory (FreeBSD-SA-22:11.vm) and VuXML entry describe the issu...

FreeBSD-SA-22:11.vm

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-22:11.vm Security Advisory The FreeBSD Project Topic: Memory disclosure by stale virtual memory mapping Category: core Module: vm Announced: 2022-08-09 Credits:...