CVE-2016-0728

Public Exploit

Description

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 55.40% Top 5%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory hp.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory android.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1034701 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2871-1 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0068.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2870-2 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2872-3 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html mailing list third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2872-1 third party advisory vendor advisory
http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2871-2 third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380 third party advisory
https://www.exploit-db.com/exploits/39277/ exploit vdb entry third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html mailing list third party advisory vendor advisory
http://source.android.com/security/bulletin/2016-03-01.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html mailing list third party advisory vendor advisory
https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2 third party advisory
http://www.securityfocus.com/bid/81054 vdb entry third party advisory
http://www.ubuntu.com/usn/USN-2873-1 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1297475 issue tracking third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0065.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2870-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html mailing list third party advisory vendor advisory
https://bto.bluecoat.com/security-advisory/sa112 third party advisory
http://www.ubuntu.com/usn/USN-2872-2 third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3448 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20160211-0001/ third party advisory
http://rhn.redhat.com/errata/RHSA-2016-0064.html third party advisory vendor advisory
https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265 third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/01/19/2 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2016-0728?
CVE-2016-0728 has been scored as a high severity vulnerability.
How to fix CVE-2016-0728?
To fix CVE-2016-0728, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-0728 being actively exploited in the wild?
It is possible that CVE-2016-0728 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~55% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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