CVE-2012-4565

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Summary

CVECVE-2012-4565
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-12-21 11:47:36 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 4.7 from [email protected]

AV:L/AC:M/Au:N/C:N/I:N/A:C

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:M/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 3.4.1 All All All
Operating System Linux Linux Kernel 3.4.10 All All All
Operating System Linux Linux Kernel 3.4.11 All All All
Operating System Linux Linux Kernel 3.4.12 All All All
Operating System Linux Linux Kernel 3.4.13 All All All
Operating System Linux Linux Kernel 3.4.14 All All All
Operating System Linux Linux Kernel 3.4.15 All All All
Operating System Linux Linux Kernel 3.4.16 All All All
Operating System Linux Linux Kernel 3.4.17 All All All
Operating System Linux Linux Kernel 3.4.2 All All All
Operating System Linux Linux Kernel 3.4.3 All All All
Operating System Linux Linux Kernel 3.4.4 All All All
Operating System Linux Linux Kernel 3.4.5 All All All
Operating System Linux Linux Kernel 3.4.6 All All All
Operating System Linux Linux Kernel 3.4.7 All All All
Operating System Linux Linux Kernel 3.4.8 All All All
Operating System Linux Linux Kernel 3.4.9 All All All
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
871848 – (CVE-2012-4565) CVE-2012-4565 kernel: net: divide by zero in tcp algorithm illinois af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
USN-1650-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
USN-1649-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-1645-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
oss-security - Re: CVE Request -- kernel: net: divide by zero in tcp algorithm illinois af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
USN-1652-1: Linux kernel (Oneiric backport) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[SECURITY] Fedora 16 Update: kernel-3.6.5-2.fc16 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
504 Gateway Time-out af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
USN-1647-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-1646-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
Security Advisory SA51409 - Ubuntu update for linux, linux-ti-omap4, and linux-lts-backport-oneiric - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
net: fix divide by zero in tcp algorithm illinois · torvalds/linux@8f363b7 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit
USN-1651-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-1648-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-1644-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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