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-rw-r--r--meta/recipes-core/util-linux/util-linux/CVE-2021-37600.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/meta/recipes-core/util-linux/util-linux/CVE-2021-37600.patch b/meta/recipes-core/util-linux/util-linux/CVE-2021-37600.patch
new file mode 100644
index 0000000000..11934eee8d
--- /dev/null
+++ b/meta/recipes-core/util-linux/util-linux/CVE-2021-37600.patch
@@ -0,0 +1,38 @@
+From 1c9143d0c1f979c3daf10e1c37b5b1e916c22a1c Mon Sep 17 00:00:00 2001
+From: Karel Zak <kzak@redhat.com>
+Date: Tue, 27 Jul 2021 11:58:31 +0200
+Subject: [PATCH] sys-utils/ipcutils: be careful when call calloc() for uint64
+ nmembs
+
+Fix: https://github.com/karelzak/util-linux/issues/1395
+Signed-off-by: Karel Zak <kzak@redhat.com>
+
+CVE: CVE-2021-37600
+
+after version 2.37.1
+https://github.com/karelzak/util-linux.git 1c9143d0c1d...
+unmodified
+
+Upstream-Status: Backport
+
+Signed-off-by: Joe Slater <joe.slater@windriver.com>
+---
+ sys-utils/ipcutils.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/sys-utils/ipcutils.c b/sys-utils/ipcutils.c
+index e784c4d..18868cf 100644
+--- a/sys-utils/ipcutils.c
++++ b/sys-utils/ipcutils.c
+@@ -218,7 +218,7 @@ static void get_sem_elements(struct sem_data *p)
+ {
+ size_t i;
+
+- if (!p || !p->sem_nsems || p->sem_perm.id < 0)
++ if (!p || !p->sem_nsems || p->sem_nsems > SIZE_MAX || p->sem_perm.id < 0)
+ return;
+
+ p->elements = xcalloc(p->sem_nsems, sizeof(struct sem_elem));
+--
+2.7.4
+