CVE-2010-3850
Description
The ec_dev_ioctl function in net/econet/af_econet.c in the Linux kernel before 2.6.36.2 does not require the CAP_NET_ADMIN capability, which allows local users to bypass intended access restrictions and configure econet addresses via an SIOCSIFADDR ioctl call.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Linux Kernel 2.6.37 (RedHat / Ubuntu 10.04) - 'Full-Nelson.c' Local Privilege Escalation
Linux Kernel < 2.6.36.2 (Ubuntu 10.04) - 'Half-Nelson.c' Econet Privilege Escalation
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 5.0 | Affected | — |
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 2.6.36.2 |
SUSE Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 10 | Affected | — |
| 9 | Affected | — |
Ubuntu Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.10 | Affected | — |
| 10.04 | Affected | — |
| 9.10 | Affected | — |
| 8.04 | Affected | — |
| 6.06 | Affected | — |
References
- http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=16c41745c7b92a243d0874f534c1655196c64b74
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://openwall.com/lists/oss-security/2010/11/30/1
- http://secunia.com/advisories/43056
- http://secunia.com/advisories/43291
- http://www.debian.org/security/2010/dsa-2126
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:257
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://www.ubuntu.com/usn/USN-1023-1
- http://www.vupen.com/english/advisories/2011/0213
- http://www.vupen.com/english/advisories/2011/0298
- http://www.vupen.com/english/advisories/2011/0375
- https://bugzilla.redhat.com/show_bug.cgi?id=644156
- http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=16c41745c7b92a243d0874f534c1655196c64b74
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://openwall.com/lists/oss-security/2010/11/30/1
- http://secunia.com/advisories/43056
- http://secunia.com/advisories/43291
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.