linux-kernel - [PATCH linux-next] scripts/extract_xc3028: use absolute path for which

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Message-Id: <20220922102624.236308-1-xu.panda@zte.com.cn>
Date:   Thu, 22 Sep 2022 10:26:25 +0000
From:   cgel.zte@...il.com
To:     linux-kernel@...r.kernel.org
Cc:     Xu Panda <xu.panda@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] scripts/extract_xc3028: use absolute path for which

From: Xu Panda <xu.panda@....com.cn>

Not using absolute path when invoking which can lead to serious security
issues.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Xu Panda <xu.panda@....com.cn>
---
 scripts/extract_xc3028.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/extract_xc3028.pl b/scripts/extract_xc3028.pl
index e1c9af25a595..c9ddcba07550 100755
--- a/scripts/extract_xc3028.pl
+++ b/scripts/extract_xc3028.pl
@@ -29,7 +29,7 @@ sub verify ($$)
        my ($filename, $hash) = @_;
        my ($testhash);

-       if (system("which md5sum > /dev/null 2>&1")) {
+       if (system("/usr/bin/which md5sum > /dev/null 2>&1")) {
                die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";
        }

-- 
2.15.2