Vulnerability Information
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Vulnerability Title
audit: don't deref the syscall args when checking the openat2 open_how::flags
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 open_how::flags As reported by Jeff, dereferencing the openat2 syscall argument in audit_match_perm() to obtain the open_how::flags can result in an oops/page-fault. This patch fixes this by using the open_how struct that we store in the audit_context with audit_openat2_how(). Independent of this patch, Richard Guy Briggs posted a similar patch to the audit mailing list roughly 40 minutes after this patch was posted.
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audit模块中发现系统调用参数解引用问题。在audit_match_perm函数中解引用openat2系统调用参数可能导致页面错误。
CVSS Information
N/A
Vulnerability Type
N/A