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Change History

https://git.kernel.org/stable/c/310c9ddfdf1f8d3c9834f02175eae79c8b254b6c

https://git.kernel.org/stable/c/7a82f89de92aac5a244d3735b2bd162c1147620c

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 mailin

kernel.org https://git.kernel.org/stable/c/310c9ddfdf1f8d3c9834f02175eae79c8b254b6c [No types assigned]

kernel.org https://git.kernel.org/stable/c/7a82f89de92aac5a244d3735b2bd162c1147620c [No types assigned]