CVE-2026-49419

creationtimestamp| type| source ---|---|--- 2026-08-19 05:48:06+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/4sxgny42ibcqf...

CVE-2026-49419 Jail reference count underflow

When the JAILATDESC flag is specified, kernjailset and kernjailget released the reference to the caller's current prison before looking up the jail descriptor. If the descriptor lookup failed, error-handling paths released the same reference a second time. An unprivileged local user can trigger a...

FreeBSD-SA-26:38.jail

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:38.jail Security Advisory The FreeBSD Project Topic: Jail reference count underflow Category: core Module: jail Announced: 2026-06-30 Credits: Yuxiang Yang,...