[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2023-12160)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2023-12160 can now be patched using Ksplice
CVEs: CVE-2022-2873 CVE-2022-41858 CVE-2022-45934 CVE-2023-23455

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2023-12160.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2023-12160.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR4 4.1.12 on
OL6 and OL7 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-2022-2873: 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.

Orabug: 34555529


* CVE-2022-45934: Denial-of-Service in Bluetooth L2CAP.

An integer overflow flaw in Bluetooth L2CAP when sending L2CAP
configuration request packets could result in a system crash. A local
user could use this flaw to cause a denial-of-service.

Orabug: 34880763


* 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.

Orabug: 34983616


* CVE-2022-41858: Denial-of-service in the Serial Line Internet Protocol.

A race condition in the SLIP driver could lead to a NULL pointer
dereference.  A local, unprivileged user could use this flaw to cause a
denial-of-service.

Orabug: 35005738

SUPPORT

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