Ubuntu 18.04 and "sig_hashalgo: md4"

[Jeffrey Walton]

Thanks Dimitri,

> If this is time critical for you, you could install kmod from focal on
> your bionic system (or use it from chroot).

It's nothing urgent. The issue fell out of a script I was working on.
But I've got a feeling it's going to take a few years for the kmod
changes to become readily available.

I'll probably switch to a C program using OpenSSL to do it.

Jeff

On Mon, Sep 7, 2020 at 5:03 AM Dimitri John Ledkov <xnox at ubuntu.com> wrote:
>
> Hey,
>
> linux kernel upstream has changed how signatures look like in
> v5.2-rc1, and only kmod 27 learned how to parse them. But bionic ships
> kmod 24, meaning with hwe / cloud kernels, the information printed by
> e.g. modinfo is incomplete.
>
> Normally bug reports should be opened in launchpad, i have done so now
> at https://bugs.launchpad.net/ubuntu/+source/kmod/+bug/1894611
>
> If this is time critical for you, you could install kmod from focal on
> your bionic system (or use it from chroot).
>
> On Sun, 6 Sep 2020 at 01:40, Jeffrey Walton <noloader at gmail.com> wrote:
> >
> > Hi Everyone,
> >
> > Ubuntu 18.04's modinfo looks like it is subject to
> > https://bugzilla.redhat.com/show_bug.cgi?id=1320921 and
> > https://bugzilla.redhat.com/show_bug.cgi?id=1490975.
> >
> > $ modinfo crypto_simd
> > filename:       /lib/modules/5.3.0-66-generic/kernel/crypto/crypto_simd.ko
> > license:        GPL
> > srcversion:     701320EC07F22E0D8427859
> > depends:        cryptd
> > retpoline:      Y
> > intree:         Y
> > name:           crypto_simd
> > vermagic:       5.3.0-66-generic SMP mod_unload
> > signat:         PKCS#7
> > signer:
> > sig_key:
> > sig_hashalgo:   md4
> >
> > A quick Google search did not pick up a similar Ubuntu bug report,
> > like Red Hat's 1320921 and 1490975.
> >
> > It looks like the fix was checked in about a year and a half ago. Also
> > see https://lwn.net/Articles/779249/.
> >
> > Would it be possible to pick up the fix?