Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
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 AF_ALG-based skcipher interface (CONFIG_CRYPTO_USER_API_SKCIPHER) to cause a denial of service (uninitialized-memory free and kernel crash) or have unspecified other impact by executing a crafted sequence of system calls that use the blkcipher_walk API. Both the generic implementation (crypto/salsa20_generic.c) and x86 implementation (arch/x86/crypto/salsa20_glue.c) of Salsa20 were vulnerable.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.8之前的版本中的Salsa20加密算法存在安全漏洞，该漏洞源于程序没有正确的处理长度为零的输入。本地攻击者可通过执行一系列特制的系统调用利用该漏洞造成拒绝服务（未初始化内存释放和内核崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A