libssh/SOURCES/CVE-2025-5987.patch

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Diff

From ec82ef931c5b60618c728c2252086f94f90c05a8 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Tue, 6 May 2025 22:51:41 +0200
Subject: [PATCH] CVE-2025-5987 libcrypto: Correctly detect failures of chacha
initialization
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
---
src/libcrypto.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/libcrypto.c b/src/libcrypto.c
index 468b63f0..2d0148ad 100644
--- a/src/libcrypto.c
+++ b/src/libcrypto.c
@@ -831,9 +831,9 @@ chacha20_poly1305_set_key(struct ssh_cipher_struct *cipher,
SSH_LOG(SSH_LOG_TRACE, "EVP_CIPHER_CTX_new failed");
goto out;
}
- ret = EVP_EncryptInit_ex(ctx->header_evp, EVP_chacha20(), NULL,
+ rv = EVP_EncryptInit_ex(ctx->header_evp, EVP_chacha20(), NULL,
u8key + CHACHA20_KEYLEN, NULL);
- if (ret != 1) {
+ if (rv != 1) {
SSH_LOG(SSH_LOG_TRACE, "EVP_CipherInit failed");
goto out;
}
--
2.51.0