CVE-2014-3673: Input Validation
First published: Tue Sep 30 2014(Updated: )
Kernel panic (via skb_over_panic) is encountered when sctp stack receive a malformed asconf chunks. skb_over_panic: text:ffffffffa01ea1c3 len:31056 put:30768 head:ffff88011bd81800 data:ffff88011bd81800 tail:0x7950 end:0x440 dev:<NULL> ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:129! [...] Call Trace: <IRQ> [<ffffffff8144fb1c>] skb_put+0x5c/0x70 [<ffffffffa01ea1c3>] sctp_addto_chunk+0x63/0xd0 [sctp] [<ffffffffa01eadaf>] sctp_process_asconf+0x1af/0x540 [sctp] [<ffffffff8152d025>] ? _read_unlock_bh+0x15/0x20 [<ffffffffa01e0038>] sctp_sf_do_asconf+0x168/0x240 [sctp] ... A remote attacker could use this flaw to crash the system. Acknowledgements: This issue was discovered by Liu Wei of Red Hat.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=2.6.12<3.2.64 | |
| Linux Linux kernel | >=3.3<3.4.107 | |
| Linux Linux kernel | >=3.5<3.10.61 | |
| Linux Linux kernel | >=3.11<3.12.34 | |
| Linux Linux kernel | >=3.13<3.14.25 | |
| Linux Linux kernel | >=3.15<3.16.35 | |
| Linux Linux kernel | >=3.17<3.17.4 | |
| Redhat Enterprise Linux | =5.0 | |
| Redhat Enterprise Mrg | =2.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Debian Debian Linux | =7.0 | |
| Opensuse Evergreen | =11.4 | |
| SUSE Linux Enterprise Software Development Kit | =12 | |
| Suse Linux Enterprise Workstation Extension | =12 | |
| SUSE SUSE Linux Enterprise Server | =10-sp4 | |
| SUSE SUSE Linux Enterprise Server | =11-sp1 | |
| SUSE SUSE Linux Enterprise Server | =11-sp2 | |
| SUSE SUSE Linux Enterprise Server | =12 | |
| Oracle Linux | =5 | |
| Oracle Linux | =6 | |
| Oracle Linux | =7 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.106-3 6.1.112-1 6.11.4-1 6.11.5-1 |
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Reference Links
- http://secunia.com/advisories/62428
- http://www.securityfocus.com/bid/70883
- http://www.debian.org/security/2014/dsa-3060
- http://marc.info/?l=bugtraq&m=142722544401658&w=2
- http://marc.info/?l=bugtraq&m=142722450701342&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=1147850
- http://rhn.redhat.com/errata/RHSA-2015-0062.html
- http://rhn.redhat.com/errata/RHSA-2015-0115.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://www.ubuntu.com/usn/USN-2417-1
- http://www.ubuntu.com/usn/USN-2418-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9de7922bc709eee2f609cd01d98aaedc4cf5ea74
- http://linux.oracle.com/errata/ELSA-2014-3087.html
- http://linux.oracle.com/errata/ELSA-2014-3088.html
- http://linux.oracle.com/errata/ELSA-2014-3089.html
- https://github.com/torvalds/linux/commit/9de7922bc709eee2f609cd01d98aaedc4cf5ea74
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- https://launchpad.net/bugs/cve/CVE-2014-3673
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9de7922bc709eee2f609cd01d98aaedc4cf5ea74
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1155727
- https://access.redhat.com/support/policy/updates/errata/
- https://rhn.redhat.com/errata/RHSA-2014-1971.html
- https://rhn.redhat.com/errata/RHSA-2014-1997.html
- https://rhn.redhat.com/errata/RHSA-2015-0043.html
- https://rhn.redhat.com/errata/RHSA-2015-0062.html
- https://rhn.redhat.com/errata/RHSA-2015-0115.html
- http://marc.info/?l=bugtraq&m=142722450701342&w=2
- http://marc.info/?l=bugtraq&m=142722544401658&w=2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9de7922bc709eee2f609cd01d98aaedc4cf5ea74
- https://security-tracker.debian.org/tracker/CVE-2014-3673
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3673
- https://nvd.nist.gov/vuln/detail/CVE-2014-3673
- https://ubuntu.com/security/CVE-2014-3673
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