Re: [PATCH v1] cgroup,bpf: Add access check for cgroup_get_from_fd()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hello,

On Tue, Sep 20, 2016 at 12:49:13AM +0200, Mickaël Salaün wrote:
> Add security access check for cgroup backed FD. The "cgroup.procs" file
> of the corresponding cgroup should be readable to identify the cgroup,
> and writable to prove that the current process can manage this cgroup
> (e.g. through delegation). This is similar to the check done by
> cgroup_procs_write_permission().

Can you please explain why this change is beneficial?

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe cgroups" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]     [Monitors]

  Powered by Linux