Vulnerability Information
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Vulnerability Title
bpf: Check validity of link->type in bpf_link_show_fdinfo()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access. To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed.
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，该漏洞源于未正确调用BPF_LINK_TYPE()宏来注册链接类型，会导致在访问bpf_link_type_strs[link->type]数组时会出现越界访问。
CVSS Information
N/A
Vulnerability Type
N/A