From 0db98910a11c12a454eac4c8e86dc7a7bbc764a4 Mon Sep 17 00:00:00 2001 From: Andreas Stieger Date: Mon, 7 Nov 2016 10:37:22 +0100 Subject: [PATCH] dracut.sh: create the initramfs non-world readable also if early cpio is used Fixes: 5f2c30d9bcd614d546d5c55c6897e33f88b9ab90 Previously fixed CVE-2012-4453: e1b48995c26c4f06d1a718539cb1bd5b0179af91 Signed-off-by: Andreas Stieger --- dracut.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dracut.sh b/dracut.sh index 40ca08f..2d79bbc 100755 --- a/dracut.sh +++ b/dracut.sh @@ -1700,7 +1700,7 @@ if [[ $create_early_cpio = yes ]]; then # The microcode blob is _before_ the initramfs blob, not after if ! ( - cd "$early_cpio_dir/d" + umask 077; cd "$early_cpio_dir/d" find . -print0 | sort -z \ | cpio ${CPIO_REPRODUCIBLE:+--reproducible} --null $cpio_owner_root -H newc -o --quiet > "${DRACUT_TMPDIR}/initramfs.img" ); then