26 lines
908 B
Diff
26 lines
908 B
Diff
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From 5835f0d4f6c033bd58806d33fa546908d39825c9 Mon Sep 17 00:00:00 2001
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From: Jakub Jelen <jjelen@redhat.com>
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Date: Mon, 18 Dec 2023 11:09:50 +0100
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Subject: [PATCH] authentic: Avoid use after free
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Thanks oss-fuzz
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64898
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---
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src/pkcs15init/pkcs15-authentic.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/pkcs15init/pkcs15-authentic.c b/src/pkcs15init/pkcs15-authentic.c
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index a6d8b8ffad..798bc44138 100644
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--- a/src/pkcs15init/pkcs15-authentic.c
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+++ b/src/pkcs15init/pkcs15-authentic.c
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@@ -868,7 +868,7 @@ authentic_emu_update_tokeninfo(struct sc_profile *profile, struct sc_pkcs15_card
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rv = sc_select_file(p15card->card, &path, &file);
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if (!rv) {
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rv = sc_get_challenge(p15card->card, buffer, sizeof(buffer));
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- if (!rv) {
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+ if (rv < 0) {
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sc_file_free(file);
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LOG_TEST_RET(ctx, rv, "Get challenge error");
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}
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