On Mon, 26 Nov 2007, Eric Paris wrote: > On a kernel with CONFIG_SECURITY but without an LSM which implements > security_file_mmap it is impossible for an application to mmap addresses > lower than mmap_min_addr. Based on a suggestion from a developer in the > openwall community this patch adds a check for CAP_SYS_RAWIO. It is > assumed that any process with this capability can harm the system a lot > more easily than writing some stuff on the zero page and then trying to > get the kernel to trip over itself. It also means that programs like X > on i686 which use vm86 emulation can work even with mmap_min_addr set. > > Signed-off-by: Eric Paris <[EMAIL PROTECTED]>
Applied to git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6.git#for-akpm If nobody hollers, I'll push it to Linus when the next merge window opens. - James -- James Morris <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/