[Ksplice][Ubuntu-22.04-Updates] New Ksplice updates for Ubuntu 22.04 Jammy (USN-7021-1)

[Oracle Ksplice]

Synopsis: USN-7021-1 can now be patched using Ksplice
CVEs: CVE-2024-39494 CVE-2024-39496 CVE-2024-41009 CVE-2024-42228

Systems running Ubuntu 22.04 Jammy can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-7021-1.

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-2024-39494: Denial-of-service in Integrity Measurement Architecture(IMA) driver.

A logic error when using the Integrity Measurement Architecture(IMA)
driver could lead to a use-after-free. A local attacker could use this
flaw to cause a denial-of-service.


* CVE-2024-39496: Denial-of-service in Zoned block device driver.

A locking error when replacing device in the Zoned block device driver
could lead to a use-after-free. A local attacker could use this flaw to
cause a denial-of-service.


* CVE-2024-41009: Denial-of-service in BPF ringbuf subsystem.

A logic error when using the BPF ringbuf subsystem could lead to a
kernel crash. A local attacker could use this flaw to cause a denial-of-
service.


* CVE-2024-42228: Information leak in AMD GPU driver.

A missing variable initialization when using the AMD GPU driver could
lead to use of uninitialized memory. A local attacker could use this
flaw to extract sensitive information.

SUPPORT

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