[El-errata] New updates available via Ksplice (ELSA-2016-3565)
Errata Announcements for Oracle Linux
el-errata at oss.oracle.com
Mon May 23 00:09:13 PDT 2016
Synopsis: ELSA-2016-3565 can now be patched using Ksplice
CVEs: CVE-2015-8215 CVE-2015-8543 CVE-2016-0758 CVE-2016-3157
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Security Advisory, ELSA-2016-3565.
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack on EL 6 install these
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-2016-3157: Xen I/O port access privilege escalation in x86-64.
User mode processes not supposed to be able to access I/O ports may
be granted such permission, potentially resulting in one or more of
in-guest privilege escalation, guest crashes (Denial of Service), or
in-guest information leaks.
* CVE-2015-8215: Remote denial-of-service of network traffic when changing the MTU.
Lack of validating the MTU in the IPv6 stack when it is reset could allow a
remote attacker to change the MTU through rogue router advertisement
packets. A remote attacker could use this flaw to disrupt the system's
networking leading to high packet loss and denial-of-service.
* CVE-2015-8543: Denial-of-service on out of range protocol for raw sockets.
It was discovered that a local user permitted to create raw sockets could
cause a denial-of-service by specifying an invalid protocol number for the
* CVE-2016-0758: Privilege escalation in ASN.1 DER decoder.
A flaw in the ASN.1 DER decoder could allow a local, unprivileged user
to use a maliciously crafted X.509 certificate DER file to crash the
system or, potentially, escalate privileges.
Ksplice support is available at ksplice-support_ww at oracle.com.
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