CVE-2016-8655: Race Condition
First published: Wed Nov 30 2016(Updated: )
A race condition vulnerability was found in packet_set_ring that can lead to use after free on a function pointer. This vulnerability can be used to gain kernel code execution for the local attacker capable of creating AF_PACKET sockets. This issue was introduced with following commit: <a href="https://github.com/torvalds/linux/commit/f6fb8f100b807378fda19e83e5ac6828b638603a">https://github.com/torvalds/linux/commit/f6fb8f100b807378fda19e83e5ac6828b638603a</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=3.2<3.2.85 | |
| Linux Linux kernel | >=3.3<3.10.106 | |
| Linux Linux kernel | >=3.11<3.12.69 | |
| Linux Linux kernel | >=3.13<3.16.40 | |
| Linux Linux kernel | >=3.17<3.18.46 | |
| Linux Linux kernel | >=3.19<4.1.37 | |
| Linux Linux kernel | >=4.2<4.4.38 | |
| Linux Linux kernel | >=4.5<4.8.14 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =16.10 | |
| Google Android | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0c
- https://source.android.com/docs/security/bulletin/2017-03-01 (Advisory)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0c
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html
- http://packetstormsecurity.com/files/140063/Linux-Kernel-4.4.0-AF_PACKET-Race-Condition-Privilege-Escalation.html
- http://rhn.redhat.com/errata/RHSA-2017-0386.html
- http://rhn.redhat.com/errata/RHSA-2017-0387.html
- http://rhn.redhat.com/errata/RHSA-2017-0402.html
- http://www.openwall.com/lists/oss-security/2016/12/06/1
- http://www.securityfocus.com/bid/94692
- http://www.securitytracker.com/id/1037403
- http://www.securitytracker.com/id/1037968
- http://www.ubuntu.com/usn/USN-3149-1
- http://www.ubuntu.com/usn/USN-3149-2
- http://www.ubuntu.com/usn/USN-3150-1
- http://www.ubuntu.com/usn/USN-3150-2
- http://www.ubuntu.com/usn/USN-3151-1
- http://www.ubuntu.com/usn/USN-3151-2
- http://www.ubuntu.com/usn/USN-3151-3
- http://www.ubuntu.com/usn/USN-3151-4
- http://www.ubuntu.com/usn/USN-3152-1
- http://www.ubuntu.com/usn/USN-3152-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1400019
- https://github.com/torvalds/linux/commit/84ac7260236a49c79eede91617700174c2c19b0c
- https://source.android.com/security/bulletin/2017-03-01.html
- https://www.exploit-db.com/exploits/40871/
- https://www.exploit-db.com/exploits/44696/
- https://github.com/torvalds/linux/commit/f6fb8f100b807378fda19e83e5ac6828b638603a
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1401820
- http://seclists.org/oss-sec/2016/q4/607
- https://rhn.redhat.com/errata/RHSA-2017-0402.html
- https://rhn.redhat.com/errata/RHSA-2017-0386.html
- https://rhn.redhat.com/errata/RHSA-2017-0387.html
- https://git.kernel.org/linus/f6fb8f100b807378fda19e83e5ac6828b638603a
- https://git.kernel.org/linus/84ac7260236a49c79eede91617700174c2c19b0c
- https://security-tracker.debian.org/tracker/CVE-2016-8655
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