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35 lines
910 B
35 lines
910 B
2 years ago
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From 02b4ae1953d39f1b6c3f0e63aefb72114039ab50 Mon Sep 17 00:00:00 2001
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From: Pavel Zhukov <pzhukov@redhat.com>
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Date: Tue, 22 Jun 2021 06:56:29 +0200
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Subject: [PATCH 28/29] Fix for CVE-2021-25217
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Cc: pzhukov@redhat.com
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---
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common/parse.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/common/parse.c b/common/parse.c
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index f17bc0b..4e8b408 100644
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--- a/common/parse.c
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+++ b/common/parse.c
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@@ -5587,13 +5587,14 @@ int parse_X (cfile, buf, max)
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skip_to_semi (cfile);
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return 0;
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}
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- convert_num (cfile, &buf [len], val, 16, 8);
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- if (len++ > max) {
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+ if (len >= max) {
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parse_warn (cfile,
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"hexadecimal constant too long.");
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skip_to_semi (cfile);
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return 0;
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}
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+ convert_num (cfile, &buf [len], val, 16, 8);
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+ len++;
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token = peek_token (&val, (unsigned *)0, cfile);
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if (token == COLON)
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token = next_token (&val,
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--
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2.26.3
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