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Date: Fri, 10 Dec 2010 15:38:47 -0500 (EST)
From: Josh Bressers <>
To:, Petr Matousek <>
Subject: Re: Subject: CVE request: kernel:
 install_special_mapping skips security_file_mmap check

Please use CVE-2010-4346



----- "Petr Matousek" <> wrote:

> "The install_special_mapping routine (used, for example, to setup the
> vdso)
> skips the security check before insert_vm_struct, allowing a local
> attacker to
> bypass the mmap_min_addr security restriction by limiting the
> available pages
> for special mappings."
> Credit: Tavis Ormandi
> Reference:
> Thanks,
> --
> Petr Matousek / Red Hat Security Response Team

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