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CVE-2025-5351 pki_crypto: Avoid double-free on low-memory conditions

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2025-05-06 22:43:31 +02:00
committed by Andreas Schneider
parent faf9caafc6
commit acb158e827
1 changed files with 2 additions and 0 deletions
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src/pki_crypto.c
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@ -1746,6 +1746,7 @@ ssh_string pki_key_to_blob(const ssh_key key, enum ssh_key_e type)
bignum_safe_free(bn); bignum_safe_free(bn);
bignum_safe_free(be); bignum_safe_free(be);
OSSL_PARAM_free(params); OSSL_PARAM_free(params);
params = NULL;
#endif /* OPENSSL_VERSION_NUMBER */ #endif /* OPENSSL_VERSION_NUMBER */
break; break;
} }
@ -1998,6 +1999,7 @@ ssh_string pki_key_to_blob(const ssh_key key, enum ssh_key_e type)
#if OPENSSL_VERSION_NUMBER >= 0x30000000L #if OPENSSL_VERSION_NUMBER >= 0x30000000L
bignum_safe_free(bd); bignum_safe_free(bd);
OSSL_PARAM_free(params); OSSL_PARAM_free(params);
params = NULL;
#endif /* OPENSSL_VERSION_NUMBER */ #endif /* OPENSSL_VERSION_NUMBER */
break; break;
} }