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Origin: https://github.com/opencontainers/runc/commit/6f8dc568e6ab072bb8205b732f04e685bf9237c0
Reviewed-by: Sylvain Beucler <beuc@debian.org>
Last-Update: 2023-02-18
From 954ff2e2673cef48f0ed44668c466eab041db387 Mon Sep 17 00:00:00 2001
From: Pavel Kopylov <pkopylov@cloudlinux.com>
Date: Wed, 17 May 2023 11:33:45 +0200
Subject: [PATCH] Fix an overflow which is still possible for some values.
CVE: CVE-2023-33204
Upstream-Status: Backport [ upstream: https://github.com/sysstat/sysstat/commit/6f8dc568e6ab072bb8205b732f04e685bf9237c0
debian: http://security.debian.org/debian-security/pool/updates/main/s/sysstat/sysstat_12.0.3-2+deb10u2.debian.tar.xz ]
Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
---
common.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
Index: sysstat-12.0.3/common.c
===================================================================
--- sysstat-12.0.3.orig/common.c
+++ sysstat-12.0.3/common.c
@@ -1449,15 +1449,16 @@ int parse_values(char *strargv, unsigned
*/
void check_overflow(size_t val1, size_t val2, size_t val3)
{
- if ((unsigned long long) val1 *
- (unsigned long long) val2 *
- (unsigned long long) val3 > UINT_MAX) {
+ if ((val1 != 0) && (val2 != 0) && (val3 != 0) &&
+ (((unsigned long long) UINT_MAX / (unsigned long long) val1 <
+ (unsigned long long) val2) ||
+ ((unsigned long long) UINT_MAX / ((unsigned long long) val1 * (unsigned long long) val2) <
+ (unsigned long long) val3))) {
#ifdef DEBUG
- fprintf(stderr, "%s: Overflow detected (%llu). Aborting...\n",
- __FUNCTION__,
- (unsigned long long) val1 * (unsigned long long) val2 * (unsigned long long) val3);
+ fprintf(stderr, "%s: Overflow detected (%u,%u,%u). Aborting...\n",
+ __FUNCTION__, val1, val2, val3);
#endif
- exit(4);
+ exit(4);
}
}
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