[Ksplice][Ubuntu-22.04-Updates] New Ksplice updates for Ubuntu 22.04 Jammy (USN-7455-1)

[Oracle Ksplice]

Synopsis: USN-7455-1 can now be patched using Ksplice
CVEs: CVE-2022-0995 CVE-2024-46826 CVE-2024-50256 CVE-2025-21700 CVE-2025-21701 CVE-2025-21702 CVE-2025-21703 CVE-2025-21756

Systems running Ubuntu 22.04 Jammy can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-7455-1.

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-2022-0995: Privilege escalation in General notification queue driver.

A logic error when using the General notification queue driver could
lead to an out-of-bounds memory access. A local attacker could use this
flaw to escalate privileges.


* CVE-2024-46826: Undefined behavior in kernel ELF parsing subsystem.

A logic error when using the kernel ELF parsing subsystem. could lead to
an inconsistently loaded binary. The resulting loaded binary might exhibit
undefined behavior.


* CVE-2024-50256: Denial-of-service in IPv6 packet rejection driver.

A logic error when using the IPv6 packet rejection driver could lead to
a kernel assertion failure. A local attacker could use this flaw to
cause a denial-of-service.


* CVE-2025-21700: Privilege escalation in QoS and/or fair queueing driver.

A logic error when using the QoS and/or fair queueing driver could lead
to a use-after-free. A local attacker could use this flaw to gain root
privileges.


* CVE-2025-21701: Denial-of-service in Networking driver.

A race condition when using the Networking driver could lead to a kernel
assertion failure. A local attacker could use this flaw to cause a
denial-of-service.


* CVE-2025-21702: Privilege escalation in network QoS/scheduling driver.

A missing check when using the network QoS/scheduling driver could lead
to a use-after-free. A local attacker could use this flaw to escalate
privileges.


* CVE-2025-21703: Privilege escalation in network emulator.

A logic error when using the network emulator could lead to a
use-after-free. A local attacker could use this flaw to escalate
privileges.


* CVE-2025-21756: Privilege escalation in Virtual Socket protocol driver.

A logic error when using the Virtual Socket protocol driver could lead
to a use-after-free. A local attacker could use this flaw to escalate
privileges.

SUPPORT

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