CVE-2012-3430
Description
The rds_recvmsg function in net/rds/recv.c in the Linux kernel before 3.0.44 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a (1) recvfrom or (2) recvmsg system call on an RDS socket.
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.x - 'rds_recvmsg()' Local Information Disclosure
OS impact
Linux kernel Affected 43 releases
| Version | Status | Fixed in |
|---|---|---|
| 3.0.42 | Affected | — |
| 3.0.41 | Affected | — |
| 3.0.40 | Affected | — |
| 3.0.39 | Affected | — |
| 3.0.38 | Affected | — |
| 3.0.37 | Affected | — |
| 3.0.36 | Affected | — |
| 3.0.35 | Affected | — |
| 3.0.34 | Affected | — |
| 3.0.33 | Affected | — |
| 3.0.32 | Affected | — |
| 3.0.31 | Affected | — |
| 3.0.30 | Affected | — |
| 3.0.29 | Affected | — |
| 3.0.28 | Affected | — |
| 3.0.27 | Affected | — |
| 3.0.26 | Affected | — |
| 3.0.25 | Affected | — |
| 3.0.24 | Affected | — |
| 3.0.23 | Affected | — |
| 3.0.22 | Affected | — |
| 3.0.21 | Affected | — |
| 3.0.20 | Affected | — |
| 3.0.19 | Affected | — |
| 3.0.18 | Affected | — |
| 3.0.17 | Affected | — |
| 3.0.16 | Affected | — |
| 3.0.15 | Affected | — |
| 3.0.14 | Affected | — |
| 3.0.13 | Affected | — |
| 3.0.12 | Affected | — |
| 3.0.11 | Affected | — |
| 3.0.10 | Affected | — |
| 3.0.9 | Affected | — |
| 3.0.8 | Affected | — |
| 3.0.7 | Affected | — |
| 3.0.6 | Affected | — |
| 3.0.5 | Affected | — |
| 3.0.4 | Affected | — |
| 3.0.3 | Affected | — |
| 3.0.2 | Affected | — |
| 3.0.1 | Affected | — |
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.2.29-1 |
| sid | Fixed | 3.2.29-1 |
| forky | Fixed | 3.2.29-1 |
| bullseye | Fixed | 3.2.29-1 |
| bookworm | Fixed | 3.2.29-1 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=06b6a1cf6e776426766298d055bb3991957d90a7
- http://rhn.redhat.com/errata/RHSA-2012-1323.html
- http://secunia.com/advisories/50633
- http://secunia.com/advisories/50732
- http://secunia.com/advisories/50811
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.0.44
- http://www.openwall.com/lists/oss-security/2012/07/26/5
- http://www.ubuntu.com/usn/USN-1567-1
- http://www.ubuntu.com/usn/USN-1568-1
- http://www.ubuntu.com/usn/USN-1572-1
- http://www.ubuntu.com/usn/USN-1575-1
- http://www.ubuntu.com/usn/USN-1577-1
- http://www.ubuntu.com/usn/USN-1578-1
- http://www.ubuntu.com/usn/USN-1579-1
- http://www.ubuntu.com/usn/USN-1580-1
- https://bugzilla.redhat.com/show_bug.cgi?id=820039
- https://github.com/torvalds/linux/commit/06b6a1cf6e776426766298d055bb3991957d90a7
- https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
- https://security-tracker.debian.org/tracker/CVE-2012-3430
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.