REDHAT-BUG-979936
First published: Mon Jul 01 2013(Updated: )
Linux kernel is found to be vulnerable to a denial of service and/or possible code execution flaw caused by invalid free while sending message with sendmsg(2) call with IP_RETOPTS socket option set. This option is set to pass unprocessed IP options along with timestamps to a user via IP_OPTIONS control message. An unprivileged user/program could use this flaw to crash the system resulting in DoS or possibly gain root privileges via arbitrary code execution. Reference: ---------- -> <a href="http://www.openwall.com/lists/oss-security/2013/06/30/1">http://www.openwall.com/lists/oss-security/2013/06/30/1</a> This issue was introduced via Red Hat Enterprise Linux specific patch for <a href="https://access.redhat.com/security/cve/CVE-2012-3552">CVE-2012-3552</a>.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Enterprise Linux | ||
| Linux Kernel |
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Reference Links
- http://www.openwall.com/lists/oss-security/2013/06/30/1
- https://access.redhat.com/security/cve/CVE-2012-3552
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=767318&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=767318&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=767364&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=767364&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=979936#c3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=979936#c2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=979936#c4
- http://people.centos.org/hughesjr/c6kernel/2.6.32-358.11.1.el6.cve20132224/
- http://people.centos.org/hughesjr/c6kernel/2.6.32-358.14.1.el6.cve20132224/
- https://rhn.redhat.com/errata/RHSA-2013-1166.html
- https://rhn.redhat.com/errata/RHSA-2013-1173.html
- https://rhn.redhat.com/errata/RHSA-2013-1195.html
- https://rhn.redhat.com/errata/RHSA-2013-1450.html
- https://bugzilla.redhat.com/show_bug.cgi?id=979936
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