From: Paul Moore <paul@paul-moore.com>
To: "Christian Göttsche" <cgoettsche@seltendoof.de>, selinux@vger.kernel.org
Cc: "Stephen Smalley" <stephen.smalley.work@gmail.com>,
"Ondrej Mosnacek" <omosnacek@gmail.com>,
"Christian Göttsche" <cgzones@googlemail.com>
Subject: Re: [PATCH v2 2/3] selinux: validate user MLS range and default level at load
Date: Wed, 30 Sep 2026 16:59:38 -0400 [thread overview]
Message-ID: <a55e2883ebc528b47660dc30f52bc602@paul-moore.com> (raw)
In-Reply-To: <20260928165253.2388012-1-cgoettsche@seltendoof.de>
On Sep 28, 2026 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgoettsche@seltendoof.de> wrote:
>
> user_read() reads each user's MLS range and default level but, unlike
> range transitions and security contexts, never validates them.
> Validate usr->range and usr->dfltlevel in user_index_check() when MLS is
> enabled, once the level and category symbol tables are populated.
>
> Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
> Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>
> ---
> security/selinux/ss/policydb.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
Merged into selinux/dev, thanks!
--
paul-moore.com
prev parent reply other threads:[~2026-09-30 20:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 16:52 [PATCH v2 2/3] selinux: validate user MLS range and default level at load Christian Göttsche
2026-09-28 16:52 ` [PATCH v2 3/3] selinux: validate permissive and neveraudit map types " Christian Göttsche
2026-09-28 17:07 ` sashiko-bot
2026-09-29 13:11 ` Stephen Smalley
2026-09-30 20:59 ` Paul Moore
2026-09-28 16:52 ` [PATCH v2 1/3] selinux: bounds-check role and user membership bitmaps " Christian Göttsche
2026-09-28 17:03 ` sashiko-bot
2026-09-28 17:49 ` Stephen Smalley
2026-09-28 17:54 ` Stephen Smalley
2026-09-28 18:20 ` Stephen Smalley
2026-09-30 20:59 ` Paul Moore
2026-09-28 17:01 ` [PATCH v2 2/3] selinux: validate user MLS range and default level " sashiko-bot
2026-09-28 19:48 ` [RFC PATCH 15/32] selinux: make mls_level_isvalid() static Stephen Smalley
2026-09-29 13:11 ` [PATCH v2 2/3] selinux: validate user MLS range and default level at load Stephen Smalley
2026-09-30 20:59 ` Paul Moore [this message]
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