[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2023-12232)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2023-12232 can now be patched using Ksplice
CVEs: CVE-2019-5489 CVE-2020-0404 CVE-2023-0394 CVE-2023-1073 CVE-2023-1074 CVE-2023-1095

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2023-12232.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2023-12232.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-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.

Orabug: 35005831


* CVE-2019-5489: Information leak in the mincore() syscall implementation.

Missing checks in the mincore() syscall could let a local attacker
observes page cache access patterns on other processes in the system and
lead to an information leak.

Orabug: 35133279


* CVE-2020-0404: Possible privilege escalation in USB Video Class driver.

A logic error when processing USB descriptors can lead to a list
corruption in the USB Video Class driver.  A local attacker could
exploit this flaw to escalate their privileges.

Orabug: 35180270


* CVE-2023-1073: Memory Corruption in HID subsystem.

An error in the human interface device (HID) subsystem during insertion
of a USB device can trigger memory corruption. This can allow a local
user to cause denial-of-service or escalate privileges.

Orabug: 35181168


* CVE-2023-1074: Memory Leak in Stream Control Transmission Protocol.

A flaw in the Stream Control Transmission Protocol (sctp) can allow a
local user to start a malicious networking service that leaks kernel
memory. This could allow the user to starve resources leading to a
denial-of-service.

Orabug: 35181461


* CVE-2023-1095: Denial-of-service in the netfilter sub-system.

A missing list initialization in the netfilter sub-system could lead to a
null pointer dereference in the error path.  A local, privileged user could
use this flaw to cause a denial-of-service.

Orabug: 35181628

SUPPORT

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