[Ksplice-Fedora-24-updates] New Ksplice updates for Fedora 24 (FEDORA-2017-2e1f3694b2)
Oracle Ksplice
ksplice-support_ww at oracle.com
Mon Mar 13 06:31:51 PDT 2017
Synopsis: FEDORA-2017-2e1f3694b2 can now be patched using Ksplice
CVEs: CVE-2017-2636 CVE-2017-5669 CVE-2017-6353
Systems running Fedora 24 can now use Ksplice to patch against the
latest Fedora kernel update, FEDORA-2017-2e1f3694b2.
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running Fedora 24
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-2017-5669: Privilege bypass when using shmat() syscall to map page zero.
A logic error when mapping a page using shmat() syscall could allow a
user to map page zero and consequently bypass a protection mechanism
that exists for the mmap() system call.
* CVE-2017-6353: Denial-of-service when peeling off a sctp socket.
A logic error when peeling off a sctp socket could lead to a double free
or a deadlock. A local user could use this flaw to cause a
denial-of-service.
* 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.
SUPPORT
Ksplice support is available at ksplice-support_ww at oracle.com.
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