[El-errata] New updates available via Ksplice (ELSA-2015-3045)

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Jun 25 06:31:39 PDT 2015

Synopsis: ELSA-2015-3045 can now be patched using Ksplice
CVEs: CVE-2015-1593 CVE-2015-2830

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Security Advisory, ELSA-2015-3045.


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-2015-1593: Stack layout randomization entropy reduction.

A flaw in the the stack base randomization code could result in a
reduction of entropy by a factor of four.  An attacker could use this
flaw to reduce the amount of work needed to bypass ASLR.

* CVE-2015-2830: mis-handling of int80 fork from 64bits application.

A flaw in the ret_from_fork assembly stub does not prevent the TS_COMPAT
flag from reaching a user-mode task.  An attacker could potentially use
this flaw to bypass the seccomp or audit protections via a crafted


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

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