Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 资源管理错误漏洞
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 5.0.21版本和5.3.11版本中fs/btrfs/free-space-cache.c文件的‘try_merge_free_space’函数存在资源管理错误漏洞。攻击者可借助特制的btrfs文件系统镜像利用该漏洞执行任意代码或导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A