[Ksplice][Ubuntu-22.04-Updates] New Ksplice updates for Ubuntu 22.04 Jammy (USN-6496-1)

[Oracle Ksplice]

Synopsis: USN-6496-1 can now be patched using Ksplice
CVEs: CVE-2023-25775 CVE-2023-31085 CVE-2023-45871

Systems running Ubuntu 22.04 Jammy can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-6496-1.

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-2023-45871: Denial-of-service in Intel(R) 82575/82576 PCI-Express Gigabit Ethernet driver.

An error when allocating memory to handle received frames in Intel(R)
82575/82576 PCI-Express Gigabit Ethernet driver could lead to a buffer
overflow. A remote attacker could use this flaw to cause a denial-of-
service.


* CVE-2023-31085: Denial-of-service in UBI driver.

The UBI driver did not properly handle MTD devices with zero erasesize,
which could trigger a divide-by-zero exception while attaching UBI devices.
A local privileged attacker could use this flaw to cause a denial-of-service.


* CVE-2023-25775: Information disclosure in the Intel(R) Ethernet Controller RDMA driver.

A flaw in irdma allows to program zero-length STAGs in hardware. An
attacker could use this flaw to access sensitive kernel information.

SUPPORT

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