Date: Wed, 18 Oct 2023 18:05:03 +0000 From: bugzilla-noreply@freebsd.org To: jail@FreeBSD.org Subject: [Bug 272092] The 'see_jail_proc' security policy still allows signaling and debugging sub-jails' processes Message-ID: <bug-272092-29815-9SSZw6L1lz@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-272092-29815@https.bugs.freebsd.org/bugzilla/> References: <bug-272092-29815@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D272092 --- Comment #3 from commit-hook@FreeBSD.org --- A commit in branch releng/14.0 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D7e21c691f295b3babc8c57c0aeafa19fa= f1371b6 commit 7e21c691f295b3babc8c57c0aeafa19faf1371b6 Author: Olivier Certner <olce.freebsd@certner.fr> AuthorDate: 2023-08-17 23:54:38 +0000 Commit: Mitchell Horne <mhorne@FreeBSD.org> CommitDate: 2023-10-18 17:59:51 +0000 Fix 'security.bsd.see_jail_proc' by using cr_bsd_visible() As implemented, this security policy would only prevent seeing processes in sub-jails, but would not prevent sending signals to, changing priority of or debugging processes in these, enabling attacks where unprivileged users could tamper with random processes in sub-jails in particular circumstances (conflated UIDs) despite the policy being enforced. Approved by: re (gjb) PR: 272092 Reviewed by: mhorne Sponsored by: Kumacom SAS Differential Revision: https://reviews.freebsd.org/D40628 (cherry picked from commit 5817169bc4a06a35aa5ef7f5ed18f6cb35037e18) (cherry picked from commit abfcae344feb89c635616769d12150f84c96c003) sys/kern/kern_prot.c | 25 +++++++------------------ sys/netinet/in_prot.c | 4 +--- 2 files changed, 8 insertions(+), 21 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.=
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