[Ksplice][Ubuntu-21.04-Updates] New Ksplice updates for Ubuntu 21.04 Hirsute (USN-5219-1)
Oracle Ksplice
quentin.casasnovas at oracle.com
Thu Jan 13 14:57:08 UTC 2022
Synopsis: USN-5219-1 can now be patched using Ksplice
CVEs: CVE-2021-4204
Systems running Ubuntu 21.04 Hirsute can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-5219-1.
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running Ubuntu 21.04
Hirsute 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-2021-4204: Out-of-bounds write in the eBPF subsystem due to improper arguments validation.
Improper arguments validation in the eBPF subsystem ring buffer
implementation results in out-of-bounds write access. A local
attacker could use this to escalate privileges.
SUPPORT
Ksplice support is available at ksplice-support_ww at oracle.com.
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