CVE-2010-3848
Description
Stack-based buffer overflow in the econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.36.2, when an econet address is configured, allows local users to gain privileges by providing a large number of iovec structures.
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 < 2.6.36.2 (Ubuntu 10.04) - 'Half-Nelson.c' Econet Privilege Escalation
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 5.0 | Affected | โ |
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | 2.6.36.2 |
SUSE Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 10 | Affected | โ |
| 9 | Affected | โ |
Ubuntu Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.10 | Affected | โ |
| 10.04 | Affected | โ |
| 9.10 | Affected | โ |
| 8.04 | Affected | โ |
| 6.06 | Affected | โ |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a27e13d370415add3487949c60810e36069a23a6
- 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.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://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a27e13d370415add3487949c60810e36069a23a6
- 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
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.