Information Exposure Affecting kernel-debug package, versions <0:2.6.32-642.4.2.el6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ORACLE6-KERNELDEBUG-2509928
- published10 Apr 2022
- disclosed6 Aug 2016
Introduced: 6 Aug 2016
CVE-2016-5696 (opens in a new tab)How to fix?
Upgrade Oracle:6 kernel-debug to version 0:2.6.32-642.4.2.el6 or higher.
This issue was patched in ELSA-2016-1664.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Oracle.
See How to fix? for Oracle:6 relevant fixed versions and status.
net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.
References
- https://linux.oracle.com/cve/CVE-2016-5696.html
- https://linux.oracle.com/errata/ELSA-2016-1633.html
- https://linux.oracle.com/errata/ELSA-2016-1664.html
- https://linux.oracle.com/errata/ELSA-2016-3594.html
- https://linux.oracle.com/errata/ELSA-2016-3595.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f758
- http://rhn.redhat.com/errata/RHSA-2016-1631.html
- http://rhn.redhat.com/errata/RHSA-2016-1632.html
- http://rhn.redhat.com/errata/RHSA-2016-1633.html
- http://rhn.redhat.com/errata/RHSA-2016-1657.html
- http://rhn.redhat.com/errata/RHSA-2016-1664.html
- http://rhn.redhat.com/errata/RHSA-2016-1814.html
- http://rhn.redhat.com/errata/RHSA-2016-1815.html
- http://rhn.redhat.com/errata/RHSA-2016-1939.html
- http://source.android.com/security/bulletin/2016-10-01.html
- http://www.openwall.com/lists/oss-security/2016/07/12/2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.prnewswire.com/news-releases/mitnick-attack-reappears-at-geekpwn-macau-contest-300270779.html
- http://www.securityfocus.com/bid/91704
- http://www.securitytracker.com/id/1036625
- http://www.ubuntu.com/usn/USN-3070-1
- http://www.ubuntu.com/usn/USN-3070-2
- http://www.ubuntu.com/usn/USN-3070-3
- http://www.ubuntu.com/usn/USN-3070-4
- http://www.ubuntu.com/usn/USN-3071-1
- http://www.ubuntu.com/usn/USN-3071-2
- http://www.ubuntu.com/usn/USN-3072-1
- http://www.ubuntu.com/usn/USN-3072-2
- https://bto.bluecoat.com/security-advisory/sa131
- https://bugzilla.redhat.com/show_bug.cgi?id=1354708
- https://github.com/Gnoxter/mountain_goat
- https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758
- https://kc.mcafee.com/corporate/index?page=content&id=SB10167
- https://security.paloaltonetworks.com/CVE-2016-5696
- https://www.arista.com/en/support/advisories-notices/security-advisories/1461-security-advisory-23
- https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf