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openSUSE:Step:15-SP4
util-linux.32955
util-linux-ipcutils-overflow-CVE-2021-37600.patch
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File util-linux-ipcutils-overflow-CVE-2021-37600.patch of Package util-linux.32955
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> --- 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 e784c4dcb..18868cfd3 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)); -- 2.33.0
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