Synopsis: ELSA-2021-9212 can now be patched using Ksplice CVEs: CVE-2020-29661 CVE-2021-20265 CVE-2021-27364 CVE-2021-27365
Users with Oracle Linux Premier Support can now use Ksplice to patch against the latest Oracle Linux Security Advisory, ELSA-2021-9212. More information about this errata can be found at https://linux.oracle.com/errata/ELSA-2021-9212.html INSTALLING THE UPDATES We recommend that all users of Ksplice Uptrack running RHCK 6 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-2021-20265: Memory leak when reading from AF_UNIX socket. Incorrect reference counting when reading from AF_UNIX can trigger a memory leak when a signal is delivered to a process. * CVE-2020-29661: Use-after-free in ioctls of TTY subsystem. A locking flaw in ioctls of TTY subsystem could lead to a use-after-free. A local user could use this flaw to cause execution of arbitrary code or a denial-of-service. * CVE-2021-27364, CVE-2021-27365: Privilege escalation in iSCSI subsystem. Multiple logic errors failing to check some messages and sysfs attribute sizes may cause a buffer overflow. A local attacker could use this to cause a privilege escalation. Orabug: 32809880 SUPPORT Ksplice support is available at [email protected]. _______________________________________________ El-errata mailing list [email protected] https://oss.oracle.com/mailman/listinfo/el-errata
