Date: Mon, 19 Oct 2009 15:26:16 -0400 (EDT) From: Josh Bressers <bressers@...hat.com> To: oss-security@...ts.openwall.com Cc: "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE request: kernel: r128 IOCTL NULL pointer dereferences when CCE state is uninitialised Please use CVE-2009-3620 Thanks. -- JB ----- "Eugene Teo" <eugeneteo@...nel.sg> wrote: > Quoting from the upstream commit: > "Almost all r128's private ioctls require that the CCE state has > already > been initialised. However, most do not test that this has been done, > > and will proceed to dereference a null pointer. This may result in a > > security vulnerability, since some ioctls are unprivileged. > > This adds a macro for the common initialisation test and changes all > ioctl implementations that require prior initialisation to use that > macro. > > Also, r128_do_init_cce() does not test that the CCE state has not > been > initialised already. Repeated initialisation may lead to a crash or > resource leak. This adds that test." > > http://git.kernel.org/linus/7dc482dfeeeefcfd000d4271c4626937406756d7 > > Other references: > http://secunia.com/advisories/36707/ > https://bugzilla.redhat.com/show_bug.cgi?id=529597 > > Thanks, Eugene
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