[El-errata] New Ksplice updates for Oracle Enhanced RHCK 7 (ELSA-2017-0933-1)
Errata Announcements for Oracle Linux
el-errata at oss.oracle.com
Wed Apr 19 08:10:33 PDT 2017
Synopsis: ELSA-2017-0933-1 can now be patched using Ksplice
CVEs: CVE-2016-8650 CVE-2016-9793 CVE-2017-2618 CVE-2017-2636 CVE-2017-7184
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2017-0933-1.
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running Oracle Enhanced
RHCK 7 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
* CVE-2017-2636: Privilege escalation in High Level Data Synchronous TTY line discipline.
A race condition when flushing the transmit queue concurently to sending
frames in the HDLC TTY line discipline could lead to a double free. A
local, unprivileged user could use this flaw to elevate his privileges.
* CVE-2017-7184: Privilege escalation when using xfrm IP framework.
A missing check when using xfrm IP framework could lead to an out of
bound access. A local attacker could use this flaw to cause a denial of
service or to escalate privilege.
* CVE-2016-9793: Denial-of-service in socket configuration.
Incorrect validation of arguments for the setsockopt ioctl could allow
a local user with CAP_NET_ADMIN privileges to cause memory corruption
or crash the kernel.
* CVE-2016-8650: NULL pointer dereference in the key management subsystem.
A missing check in the Multiprecision maths library used to implement
RSA digital signature verification could lead to a NULL pointer
dereference. A local user could use this flaw to cause a denial-of-service.
* CVE-2017-2618: Information leak in SELinux attribute handling.
An off-by-one error in SELinux attribute handling can cause sensitive
information to be leaked from the kernel. A local attacker could use
this flaw to facilitate an exploit.
Ksplice support is available at ksplice-support_ww at oracle.com.
More information about the El-errata