[Ksplice][Ubuntu-22.04-Updates] New Ksplice updates for Ubuntu 22.04 Jammy (USN-5544-1)

[Julian Pidancet]

Synopsis: USN-5544-1 can now be patched using Ksplice
CVEs: CVE-2022-1652 CVE-2022-1679 CVE-2022-28893 CVE-2022-34918

Systems running Ubuntu 22.04 Jammy can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-5544-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu 22.04
Jammy install these updates.

On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any action.

Alternatively, you can install these updates by running:

# /usr/sbin/uptrack-upgrade -y


DESCRIPTION

* CVE-2022-34918: Privilege escalation in Netfilter subsystem.

A type mismatch flaw in Netfilter subsystem when adding a new element to
NFT table could result in a buffer overflow. A local user could use this
flaw to escalate privileges.


* CVE-2022-1652: Use-after-free in the floppy driver.

An error in concurrency logic of the floppy driver could lead to a
use-after-free. A local unprivileged user could use this flaw to cause
denial-of-service or potentially escalate privileges.


* CVE-2022-28893: Use-after-free in SunRPC subsystem.

A logic flaw in the SUNRPC subsystem when setting up a new connection
could lead to a use-after-free due to improper socket state handling.
A local user could use this flaw to cause a denial-of-service or execute
arbitrary code.


* CVE-2022-1679: Use-after-free in Atheros ath9k wireless device driver.

Improper handling of some error conditions in Atheros ath9k wireless
device driver could lead to a use-after-free. A local user could use
this flaw to cause a denial of service or execute arbitrary code.

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.