El-errata: New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2023-12232)
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@oracle.com.
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New Ksplice updates for UEKR4 4.1.12 on Oracle Linux 6 and 7 are available.
