漏洞信息
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Vulnerability Title
filelock: fix potential use-after-free in posix_lock_inode
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: filelock: fix potential use-after-free in posix_lock_inode Light Hsieh reported a KASAN UAF warning in trace_posix_lock_inode(). The request pointer had been changed earlier to point to a lock entry that was added to the inode's list. However, before the tracepoint could fire, another task raced in and freed that lock. Fix this by moving the tracepoint inside the spinlock, which should ensure that this doesn't happen.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于在使用trace_posix_lock_inode函数时，请求指针被更改指向刚添加到inode列表的锁条目，但在此之前，另一个任务可能已经释放了该锁，导致释放后重用问题。
CVSS Information
N/A
Vulnerability Type
N/A