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astraeus ,
@astraeus@programming.dev avatar

Couldn’t find whether this even impacts LTS builds. Either way, seems like patching should resolve the issue

style99 ,
@style99@kbin.social avatar

LTS uses the 5.15 Linux kernel (by default). This vulnerability impacts 6.2.

RoundSparrow ,

If I understand correctnly… Ubuntu 22.04.2 LTS has 5.19 kernel by default: 9to5linux.com/ubuntu-22-04-2-lts-released-with-li… “the Ubuntu 22.04.2 LTS point release also comes with a newer kernel, namely Linux 5.19, from the Ubuntu 22.10 (Kinetic Kudu) release”

As you said, if it is only 6.2, still out of the window.

ReversalHatchery ,

Is this an Ubuntu specialty, or other distros are also affected?

schizosfera ,

They are specific to the kernels delivered with Ubuntu because of changes introduced by Canonical in OverlayFS:

Source: Ubuntu Website

Yewb ,

CVE-2023-2640

Needs a user account on the system (even unprivledged accounts) via overlayfs

Overlayfs allows one, usually read-write, directory tree to be overlaid onto another, read-only directory tree. All modifications go to the upper, writable layer. This type of mechanism is most often used for live CDs but there is a wide variety of other uses.

darkmugglet ,

Or a docker container.

BadRS ,

Is the end of this headline “because they haven’t updated in 3 years”?

style99 ,
@style99@kbin.social avatar

In this case, it's more like the opposite. People testing the cutting edge versions of Ubuntu are the ones impacted.

Yewb ,

Needs a user account on the system (even unprivledged accounts) via overlayfs

Overlayfs allows one, usually read-write, directory tree to be overlaid onto another, read-only directory tree. All modifications go to the upper, writable layer. This type of mechanism is most often used for live CDs but there is a wide variety of other uses.

djsaskdja ,

Typical lolbuntu move

prenatal_confusion ,

<°==<

GustavoM ,
@GustavoM@lemmy.world avatar

Ubloatu*

ftfy

hygieia ,

CVE-2023-2640 and CVE-2023-32629 if you don’t fancy spending an age clicking Object to all the ‘legitimate interest’ cookie shit.

dookie ,

bro doesnt have an adblocker?

moreeni ,

And a script blocker like NoScript

garam ,
@garam@lemmy.my.id avatar

All disable script all together on foreign site using uBo

maiskanzler ,

Tip: “I still don’t care about cookies” for desktop browsers + deleting all cookies at the end of the browser session works flawlessly for me.

roq ,

@leo what’s the solution, is it just the normal apt update/upgrade or something more complicated? And is it possible to know if a machine has suffered such attack at all?

leo OP ,
@leo@lemmy.linuxuserspace.show avatar

According to the Ubuntu bulletin, a simple update is sufficient.

The Wiz announcement didn’t really go into specifics, so not sure other than normal user auditing.

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