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-rw-r--r--debian/patches/upstream/CVE-2021-37600-sys-utils-ipcutils-be-careful-when-call-calloc.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/debian/patches/upstream/CVE-2021-37600-sys-utils-ipcutils-be-careful-when-call-calloc.patch b/debian/patches/upstream/CVE-2021-37600-sys-utils-ipcutils-be-careful-when-call-calloc.patch
new file mode 100644
index 0000000..51ef5ce
--- /dev/null
+++ b/debian/patches/upstream/CVE-2021-37600-sys-utils-ipcutils-be-careful-when-call-calloc.patch
@@ -0,0 +1,23 @@
+From: Karel Zak <kzak@redhat.com>
+Date: Tue, 27 Jul 2021 11:58:31 +0200
+Subject: 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>
+---
+ 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 674b612..f2b04dd 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));