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Date: Fri, 10 Dec 2010 15:34:52 -0500 (EST)
From: Petr Matousek <>
Subject: Subject: CVE request: kernel:
 install_special_mapping skips security_file_mmap check

"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


Petr Matousek / Red Hat Security Response Team

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