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" <omosnace@redhat.com>,
"Christian Göttsche" <cgzones@googlemail.com>
Subject: Re: [PATCH 2/5] selinux: bounds-check filename transition source types at load
Date: Thu, 24 Sep 2026 17:30:16 -0400 [thread overview]
Message-ID: <41a06ba1784707e62f2e0ef06c1652c7@paul-moore.com> (raw)
In-Reply-To: <20260903113538.72942-1-cgoettsche@seltendoof.de>
On Sep 3, 2026 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgoettsche@seltendoof.de> wrote:
>
> filename_trans_read_helper() validates the target type, target class and
> each datum's otype, but the per-datum stypes ebitmap is read without any
> bound on its set bits.
> Reject a stypes bitmap whose highest set bit is not a defined type.
>
> Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
> Reviewed-by: Stephen Smalley <stephen.smalley.work@gmail.com>
> ---
> security/selinux/ss/policydb.c | 4 ++++
> 1 file changed, 4 insertions(+)
Merged into selinux/dev, thanks!
--
paul-moore.com
prev parent reply other threads:[~2026-09-24 21:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 11:35 [PATCH 2/5] selinux: bounds-check filename transition source types at load Christian Göttsche
2026-09-03 11:35 ` [PATCH 3/5] selinux: bounds-check role and user membership bitmaps " Christian Göttsche
2026-09-03 11:55 ` sashiko-bot
2026-09-03 13:50 ` Stephen Smalley
2026-09-24 21:22 ` Paul Moore
2026-09-03 11:35 ` [PATCH 4/5] selinux: validate user MLS range and default level " Christian Göttsche
2026-09-03 11:52 ` sashiko-bot
2026-09-03 13:52 ` Stephen Smalley
2026-09-24 21:27 ` Paul Moore
2026-09-03 11:35 ` [PATCH 5/5] selinux: validate permissive and neveraudit map types " Christian Göttsche
2026-09-03 11:50 ` sashiko-bot
2026-09-03 13:53 ` Stephen Smalley
2026-09-24 21:29 ` Paul Moore
2026-09-03 11:35 ` [PATCH 1/5] selinux: reject duplicate symbol values during policy load Christian Göttsche
2026-09-03 11:57 ` sashiko-bot
2026-09-03 13:44 ` Stephen Smalley
2026-09-24 21:30 ` Paul Moore
2026-09-03 11:52 ` [PATCH 2/5] selinux: bounds-check filename transition source types at load sashiko-bot
2026-09-03 13:47 ` Stephen Smalley
2026-09-03 15:18 ` Christian Göttsche
2026-09-04 12:10 ` Stephen Smalley
2026-09-24 21:30 ` Paul Moore [this message]
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