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Re: [PATCH] rtld: Check __libc_enable_secure before honoring LD_PREFER_MAP_32BIT_EXEC (CVE-2019-19126) [BZ #25204]
- From: Florian Weimer <fweimer at redhat dot com>
- To: Marcin Kościelnicki <mwk at 0x04 dot net>
- Cc: libc-alpha at sourceware dot org
- Date: Thu, 21 Nov 2019 13:19:33 +0100
- Subject: Re: [PATCH] rtld: Check __libc_enable_secure before honoring LD_PREFER_MAP_32BIT_EXEC (CVE-2019-19126) [BZ #25204]
- References: <20191120232015.25936-1-mwk@0x04.net>
* Marcin Kościelnicki:
> The problem was introduced in glibc 2.23, in commit
> b9eb92ab05204df772eb4929eccd018637c9f3e9
> ("Add Prefer_MAP_32BIT_EXEC to map executable pages with MAP_32BIT").
Thanks, I have pushed this for you.
Florian