CVE-2025-21640

Summary of CVE-2025-21640 (Linux kernel SCTP): The vulnerability is in the Linux kernel SCTP sysctl handling for cookie_hmac_alg, linked to using current->nsproxy. The description notes that current->nsproxy can be NULL (e.g., when the current task is exiting), which can lead to an Oops (nu...

CVE-2025-21640

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: cookiehmacalg: avoid using current-nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

BIT-PYTHON-MIN-2022-48566

An issue was discovered in comparedigest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.comparedigest...

PT-2025-4321

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description A vulnerability has been resolved in the Linux kernel, specifically in the sctp: sysctl: cookie hmac alg component. The issue arises from using the 'net' structure via 'current', which is not...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from insufficient error checking in the ahashhmacinit function in the crypto:bcm module...

PT-2024-36990

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the ahash hmac init function, which may return an incorrect result when the ahash init function fails. For...

Linux TPM Kernel Buffer Overflow DoS

The vulnerability of the tpmbufcheckhmacresponse function in the drivers/char/tpm/tpm2-sessions.c file of the Trusted Platform Module TPM driver for the Linux operating system is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to trigger a servic...

CVE-2024-47943

The firmware upgrade function in the admin web interface of the Rittal IoT Interface & CMC III Processing Unit devices checks if the patch files are signed before executing the containing run.sh script. The signing process is kind of an HMAC with a long string as key which is hard-coded in the...

CVE-2024-47943 Improper signature verification of firmware upgrade files

The firmware upgrade function in the admin web interface of the Rittal IoT Interface & CMC III Processing Unit devices checks if the patch files are signed before executing the containing run.sh script. The signing process is kind of an HMAC with a long string as key which is hard-coded in the...

CVE-2024-47943 Improper signature verification of firmware upgrade files

The firmware upgrade function in the admin web interface of the Rittal IoT Interface & CMC III Processing Unit devices checks if the patch files are signed before executing the containing run.sh script. The signing process is kind of an HMAC with a long string as key which is hard-coded in the...

Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96).

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python-cryptography: NULL pointer dereference with pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override

A flaw was discovered in python-cryptography. A NULL pointer dereference can be triggered when a PKCS12 key and certificate do not match. Specifically, if the pkcs12.serializekeyandcertificates function is called with a non-matching certificate and private key and an encryption algorithm with...

GHSA-3H3X-2HWV-HR52 Golang FIPS OpenSSL has a Use of Uninitialized Variable vulnerability

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

Golang FIPS OpenSSL has a Use of Uninitialized Variable vulnerability

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

AZL-52774 CVE-2024-9355 affecting package golang for versions less than 1.22.9-1

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

CVE-2024-9355

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

CVE-2024-9355

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

CVE-2024-9355 Golang-fips: golang fips zeroed buffer

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

CVE-2024-9355 Golang-fips: golang fips zeroed buffer

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...

CVE-2024-9355

A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positive match between non-equal hashes when comparing a trusted...