Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.
CVSS Information
N/A
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Vulnerability Title
Linux kernel 资源管理错误漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel (5.10-rc1) 存在资源管理错误漏洞，该漏洞源于trace ring buffer.c中发现了一个use-after free缺陷。在不同的cpu上并行运行跟踪打开和调整cpu缓冲区大小时存在竞争问题，可能导致拒绝服务问题(DOS)。这个漏洞甚至允许具有特殊用户权限的本地攻击者可利用该漏洞对内核信息泄漏进行威胁。
CVSS Information
N/A
Vulnerability Type
N/A