The vulnerability of the af_alg function in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the afalg function in the Linux operating system’s kernel is related to a memory leak. Exploiting this vulnerability can allow an attacker to cause a service failure remotely...

kernel: crypto: algif_hash - fix double free in hash_accept

In the Linux kernel, the following vulnerability has been resolved: crypto: algifhash - fix double free in hashaccept If accept2 is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails, sk2 is freed. However, it is also freed in afalgrelease, leading to...

kernel: crypto: algif_hash - fix double free in hash_accept

In the Linux kernel, the following vulnerability has been resolved: crypto: algifhash - fix double free in hashaccept If accept2 is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails, sk2 is freed. However, it is also freed in afalgrelease, leading to...

SUSE CVE-2025-37808

In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through afalg, use spin locks instead of mutexes to protect the default null algorithm...

PT-2026-2874

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel's crypto subsystem contains an issue where memory allocated via sock kmalloc was not zero-initialized. This affected several crypto user API contexts and requests, relyi...

SUSE CVE-2018-14619

A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each afalgctx was freed instead of when the aeadtfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user bein...

kernel: af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr

In the Linux kernel afalgrelease in crypto/afalg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free UAF in sockfssetattr. A local attacker can use this flaw to escalate privileges and take control of the system...

UBUNTU-CVE-2018-14619

A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each afalgctx was freed instead of when the aeadtfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user bein...

DEBIAN-CVE-2017-17805

The Salsa20 encryption algorithm in the Linux kernel before 4.14.8 does not correctly handle zero-length inputs, allowing a local attacker able to use the AFALG-based skcipher interface CONFIGCRYPTOUSERAPISKCIPHER to cause a denial of service uninitialized-memory free and kernel crash or have...

DEBIAN-CVE-2017-17806

The HMAC implementation crypto/hmac.c in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AFALG-based hash interface CONFIGCRYPTOUSERAPIHASH and the SHA-3 hash algorithm CONFIGCRYPTOSHA3 to caus...

UBUNTU-CVE-2011-4081

crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service NULL pointer dereference and OOPS or possibly have unspecified other impact by triggering a failed or missing ghashsetkey function call, followed by a 1 ghashupdate function call or 2 ghashfinal...