On Sun, Feb 13, 2011 at 07:22, Dave Young <hidave.darks...@gmail.com> wrote:
> Finally I bisected it, results:
> 47970b1b2aa64464bc0a9543e86361a622ae7c03 is first bad commit
> commit 47970b1b2aa64464bc0a9543e86361a622ae7c03
> Author: Chris Wright <chr...@sous-sol.org>
> Date: Thu Feb 10 15:58:56 2011 -0800
>
> pci: use security_capable() when checking capablities during config space
> read
>
> Eric Paris noted that commit de139a3 ("pci: check caps from sysfs file
> open to read device dependent config space") caused the capability check
> to bypass security modules and potentially auditing. Rectify this by
> calling security_capable() when checking the open file's capabilities
> for config space reads.
>
> Reported-by: Eric Paris <epa...@redhat.com>
> Signed-off-by: Chris Wright <chr...@sous-sol.org>
> Signed-off-by: James Morris <jmor...@namei.org>
>
Actually, even reading the PCI capabilities fails with lspci
reporting "Capabilities: <access denied>" if run as root.
"libpciaccess" should have handled this situation, but still
it looks like a regression and it breaks existing systems.
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