CVE-2009-4272

high

Description

A certain Red Hat patch for net/ipv4/route.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (deadlock) via crafted packets that force collisions in the IPv4 routing hash table, and trigger a routing "emergency" in which a hash chain is too long. NOTE: this is related to an issue in the Linux kernel before 2.6.31, when the kernel routing cache is disabled, involving an uninitialized pointer and a panic.

References

https://bugzilla.redhat.com/show_bug.cgi?id=545411

https://exchange.xforce.ibmcloud.com/vulnerabilities/55808

https://rhn.redhat.com/errata/RHSA-2010-0046.html

https://rhn.redhat.com/errata/RHSA-2010-0095.html

http://support.avaya.com/css/P8/documents/100073666

http://www.openwall.com/lists/oss-security/2010/01/20/1

http://www.openwall.com/lists/oss-security/2010/01/20/6

Details

Source: Mitre, NVD

Published: 2010-01-27

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High