[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2021-9534)

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Nov 4 10:29:08 PDT 2021

Synopsis: ELSA-2021-9534 can now be patched using Ksplice
CVEs: CVE-2018-1000026 CVE-2019-10207 CVE-2019-19813 CVE-2021-3564

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2021-9534.
More information about this errata can be found at


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


* CVE-2018-1000026: Denial-of-service when receiving invalid packet on 
bnx2x network card.

A missing input validation when receiving invalid packet on bnx2x
network card could lead to network outage. A remote attacker could use
this flaw to cause a denial-of-service.

Orabug: 28094432

* CVE-2021-3564: Use-after-free when initializing bluetooth HCI device.

A flaw in the bluetooth Host Controller Interface handling could result
in a use-after-free if a device fails initialization. A malicious local
device or user might exploit this to cause a denial-of-service.

Orabug: 33014035

* CVE-2019-19813: Invalid memory accesses during btrfs filesystem sync.

A failure to properly validate certain metadata in a btrfs filesystem
image can lead to out-of-bounds writes and use-after-free issues.  Using
a specially crafted btrfs image, a local attacker could potentially
exploit these flaws to escalate privilege or cause other unexpected
behavior, including a denial-of-service.

Orabug: 31864610

* CVE-2019-10207: NULL pointer dereference in Bluetooth TTY operations.

A missing check in some Bluetooth drivers could lead to a NULL
pointer dereference triggered by an unprivileged user while executing
certain tty operations.  This could be exploited to cause a denial of
service attack.

Orabug: 30244627


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

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