[Ksplice][Ubuntu-Oracle-Updates] New Ksplice updates for Ubuntu OCI kernel (USN-5443-1)
Oracle Ksplice
quentin.casasnovas at oracle.com
Tue May 31 09:43:48 UTC 2022
Synopsis: USN-5443-1 can now be patched using Ksplice
CVEs: CVE-2022-29581 CVE-2022-30594
Systems running Ubuntu OCI kernel can now use Ksplice to patch against
the latest Ubuntu Security Notice, USN-5443-1.
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running Ubuntu OCI
kernel 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-2022-30594: Privilege escalation in Process Trace.
Lack of validation of the ptrace flags when seizing a process through
ptrace could be used to disable a seccomp jail. A local, unprivileged
user could use this flaw to evade a seccomp jail and elevate its
privileges.
* CVE-2022-29581: Privilege escalation in Traffic Control subsystem.
Improper reference counting flaw in the universal 32-bit pieces based
comparison scheme for packet classification of Traffic Control subsystem
could lead to a use-after-free. A local user could use this flaw for
privilege escalation.
SUPPORT
Ksplice support is available at ksplice-support_ww at oracle.com.
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