CVE-2012-4565
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.7
Description
The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.
Predictions
Exploit likelihood
20%
Patch ETA
—
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.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.2.35-1 |
| debian | bullseye | fixed | 3.2.35-1 |
| debian | forky | fixed | 3.2.35-1 |
| debian | sid | fixed | 3.2.35-1 |
| debian | trixie | fixed | 3.2.35-1 |
| linux-kernel | affected | | |
| linux-kernel | 3.4.1 | affected | |
| linux-kernel | 3.4.2 | affected | |
| linux-kernel | 3.4.3 | affected | |
| linux-kernel | 3.4.4 | affected | |
| linux-kernel | 3.4.5 | affected | |
| linux-kernel | 3.4.6 | affected | |
| linux-kernel | 3.4.7 | affected | |
| linux-kernel | 3.4.8 | affected | |
| linux-kernel | 3.4.9 | affected | |
| linux-kernel | 3.4.10 | affected | |
| linux-kernel | 3.4.11 | affected | |
| linux-kernel | 3.4.12 | affected | |
| linux-kernel | 3.4.13 | affected | |
| linux-kernel | 3.4.14 | affected | |
| linux-kernel | 3.4.15 | affected | |
| linux-kernel | 3.4.16 | affected | |
| linux-kernel | 3.4.17 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
- http://rhn.redhat.com/errata/RHSA-2012-1580.html
- http://secunia.com/advisories/51409
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19
- http://www.openwall.com/lists/oss-security/2012/10/31/5
- http://www.securityfocus.com/bid/56346
- http://www.ubuntu.com/usn/USN-1644-1
- http://www.ubuntu.com/usn/USN-1645-1
- http://www.ubuntu.com/usn/USN-1646-1
- http://www.ubuntu.com/usn/USN-1647-1
- http://www.ubuntu.com/usn/USN-1648-1
- http://www.ubuntu.com/usn/USN-1649-1
- http://www.ubuntu.com/usn/USN-1650-1
- http://www.ubuntu.com/usn/USN-1651-1
- http://www.ubuntu.com/usn/USN-1652-1
- https://bugzilla.redhat.com/show_bug.cgi?id=871848
- https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664
- https://security-tracker.debian.org/tracker/CVE-2012-4565
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.