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author Eric Hameleers <alien@slackware.com>2019-11-20 23:21:44 +0100
committer Eric Hameleers <alien@slackware.com>2019-11-20 23:21:44 +0100
commit9616efdbb807c06ba9be6bea3087ef6e39f75c83 (patch)
tree321d3c9d3c38fa1df5775fa28d6951b918a9157a /iso2usb.sh
parent14a88e4ee227c59246f8fea29e2ea38ad6303877 (diff)
downloadliveslak-9616efdbb807c06ba9be6bea3087ef6e39f75c83.tar.gz
liveslak-9616efdbb807c06ba9be6bea3087ef6e39f75c83.tar.xz
Remove '--no-absolute-filenames' from cpio invocations
Since cpio 2.13, this option strips '/' and '../' from symbolic and hard links during extraction of a cpio archive like our initramfs. This is implemented as a fix for CVE-2015-1197 but breaks the initrd. And leaving out this option does not have the adverse effect I always thought it would have... archive extraction is still done into the current directory and not in the filesystem root.
Diffstat (limited to 'iso2usb.sh')
-rw-r--r--iso2usb.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/iso2usb.sh b/iso2usb.sh
index 21248cb..ed9be53 100644
--- a/iso2usb.sh
+++ b/iso2usb.sh
@@ -247,7 +247,7 @@ update_initrd() {
echo "--- Extracting Slackware initrd and adding rootdelay for USB..."
cd ${IMGDIR}
uncompressfs ${IMGFILE} \
- | cpio -i -d -H newc --no-absolute-filenames
+ | cpio -i -d -m -H newc
if [ $REFRESH -eq 1 ]; then
echo "--- Refreshing Slackware initrd..."