From: Ali Polatel via Bugspray Bot <bugbot@kernel.org>
To: akpm@linux-foundation.org, linux-mm@kvack.org, bugs@lists.linux.dev
Subject: Re: MDWE does not prevent read-only, executable, shared memory regions to be updated by backing file writes
Date: Fri, 18 Jul 2025 15:00:10 +0000 [thread overview]
Message-ID: <20250718-b219227c6-9e9c2516da7c@bugzilla.kernel.org> (raw)
In-Reply-To: <20240912-b219227c0-78bee9e213fc@bugzilla.kernel.org>
Ali Polatel writes via Kernel.org Bugzilla:
As of version 3.37.0, Syd sandbox mitigates this by a proactive file writability check prior to mapping PROT_READ|PROT_EXEC mappings when memory restrictions are on, you may find more information in the last paragraph of https://man.exherbo.org/syd.7.html#Memory-Deny-Write-Execute_Protections
View: https://bugzilla.kernel.org/show_bug.cgi?id=219227#c6
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prev parent reply other threads:[~2025-07-18 14:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-12 21:10 MDWE does not prevent read-only, executable, shared memory regions to be updated by backing file writes Bugspray Bot
2024-09-12 21:10 ` Bugspray Bot
2024-09-12 21:10 ` Bugspray Bot
2024-09-12 21:10 ` Bugspray Bot
2024-09-12 21:10 ` Bugspray Bot
2025-07-17 13:15 ` Ali Polatel via Bugspray Bot
2025-07-18 15:00 ` Ali Polatel via Bugspray Bot [this message]
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