Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.
CVSS Information
N/A
Vulnerability Type
未经检查的错误条件
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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 4.13.5之前版本中的arch/powerpc/kernel/ptrace.c文件的‘flush_tmregs_to_thread’函数存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
CVSS Information
N/A
Vulnerability Type
N/A