diff options
Diffstat (limited to 'meta/recipes-bsp/grub/files/CVE-2021-3981.patch')
| -rw-r--r-- | meta/recipes-bsp/grub/files/CVE-2021-3981.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-bsp/grub/files/CVE-2021-3981.patch b/meta/recipes-bsp/grub/files/CVE-2021-3981.patch new file mode 100644 index 0000000000..e27027ea65 --- /dev/null +++ b/meta/recipes-bsp/grub/files/CVE-2021-3981.patch @@ -0,0 +1,32 @@ +From 67740c43c9326956ea5cd6be77f813b5499a56a5 Mon Sep 17 00:00:00 2001 +From: Hitendra Prajapati <hprajapati@mvista.com> +Date: Mon, 27 Jun 2022 10:15:29 +0530 +Subject: [PATCH] CVE-2021-3981 + +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/diff/util/grub-mkconfig.in?id=0adec29674561034771c13e446069b41ef41e4d4] +CVE: CVE-2021-3981 +Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com> +--- + util/grub-mkconfig.in | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in +index 9f477ff..ead94a6 100644 +--- a/util/grub-mkconfig.in ++++ b/util/grub-mkconfig.in +@@ -287,7 +287,11 @@ and /etc/grub.d/* files or please file a bug report with + exit 1 + else + # none of the children aborted with error, install the new grub.cfg +- mv -f ${grub_cfg}.new ${grub_cfg} ++ oldumask=$(umask) ++ umask 077 ++ cat ${grub_cfg}.new > ${grub_cfg} ++ umask $oldumask ++ rm -f ${grub_cfg}.new + fi + fi + +-- +2.25.1 + |