[Ksplice][Ubuntu-18.04-Updates] New Ksplice updates for Ubuntu 18.04 Bionic (USN-5984-1)

[Oracle Ksplice]

Synopsis: USN-5984-1 can now be patched using Ksplice
CVEs: CVE-2021-3669 CVE-2022-2873 CVE-2022-3424 CVE-2022-36280 CVE-2022-41218 CVE-2022-47929 CVE-2023-0045 CVE-2023-0266 CVE-2023-0394 CVE-2023-0615 CVE-2023-23455 CVE-2023-23559 CVE-2023-28328

Systems running Ubuntu 18.04 Bionic can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-5984-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu 18.04
Bionic 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-2023-0045: Deficiency in existing speculative attack mitigation.

A missing branch predictor barrier leaves systems vulnerable to certain
speculative attacks.  This flaw could be exploited to leak information
from a running system.


* CVE-2023-23559: Buffer overflow in driver for RNDIS-based wireless USB devices.

A buffer overflow exists in the driver code for wireless USB devices based on
Remote Network Driver Interface Specification (RNDIS). This could allow a local
user to cause denial-of-service.


* CVE-2023-0615: Out-of-bounds memory access in the Virtual Video Test Driver.

Lack of boundary checks when adjusting the composing height could lead to
an out-of-bounds memory access.  A local user with the ability to send
IOCTL to the V4L2 VIVID driver could use this flaw to cause a
denial-of-service or elevate privileges.


* CVE-2023-28328: Denial-of-service in Azurewave AZ6027 driver during ioctl processing.

A missing length check on a buffer passed in from userspace via an ioctl
can result in a NULL pointer dereference.  This flaw could be exploited
by a remote attacker to cause a denial-of-service.


* Note: Oracle has determined that CVE-2022-3424 is not applicable.

A logic error when using SGI GRU driver could lead to a use-after-free.
A local attacker could use this flaw to cause a denial-of-service.

The kernel is not affected by CVE-2022-3424 since the code under
consideration is not compiled.


* CVE-2022-2873: Out-of-bounds memory access in iSMT.

A missing sanity check for a user controlled value in the Intel's iSMT
SMBus host controller driver when processing an SMBus command may lead
to a memory corruption by writing past the end of a buffer. A local
user could use this flaw for denial-of-service or code execution.


* CVE-2022-41218: Use-after-free in dvb-core device release path.

Improper locking during device release operations can lead to a
use-after-free error in the dvb-core driver.  This bug could be
exploited by a malicious local attack to cause a denial-of-service or to
escalate privileges.


* CVE-2022-36280: Out-of-bounds access in vmwgfs driver during cursor snoop.

A failure to validate cursor size data during a snoop operation can
lead to an out-of-bounds memory access.  A malicious local user could
exploit this flaw to escalate their privileges, or to cause a
denial-of-service.


* CVE-2023-23455: Denial-of-service in ATM Virtual Circuit queue operation.

A logic error during a queue operation in the sch_atm driver can result
in an invalid pointer access.  This flaw could be exploited by a local
attacker to cause a denial-of-service.


* CVE-2022-47929: NULL dereference in traffic control subsystem.

Specially crafted network traffic can cause a NULL pointer dereference
in the network traffic control subsystem.  This flaw could be exploited
by a malicious local user to cause a denial-of-service.


* CVE-2023-0266: Use-after-free in ALSA PCM IOCTL processing.

Missing locks around certain operations can lead to a use-after-free
in the ALSA PCM driver.  This flaw could by exploited by a local
attacker to escalate their privileges.


* CVE-2023-0394: NULL dereference during IPv6 raw frame processing.

An arithmetic error when processing certain IPv6 header information can
lead to a NULL pointer dereference.  A malicious local user could
exploit this flaw to cause a denial-of-service.


* CVE-2021-3669: Denial-of-service when measuring shared memory usage.

A flaw when attempting to measure large amounts of shared memory can
lead to memory exhaustion.  An attacker could exploit this flaw to waste
system resources and potentially cause a denial-of-service.

SUPPORT

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