Vulnerability Name:

CVE-2009-4272 (CCN-55808)

Assigned:2009-12-10
Published:2010-01-19
Updated:2023-02-13
Summary: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.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (REDHAT CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (REDHAT Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2009-4272

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: VMSA-2010-0009
ESXi utilities and ESX Service Console third party updates

Source: CCN
Type: RHSA-2010-0046
Important: kernel security and bug fix update

Source: CCN
Type: RHSA-2010-0095
Important: rhev-hypervisor security and bug fix update

Source: CCN
Type: SA39920
VMware vMA kernel Multiple Vulnerabilities

Source: CCN
Type: SA39972
VMware ESXi ntp Mode 7 Request Denial of Service

Source: CCN
Type: SA39973
VMware ESX Multiple krb5 Vulnerabilities

Source: CCN
Type: SA39974
VMware ESX GCC libtool Search Path Privilege Escalation Security Issue

Source: CCN
Type: SA39975
VMware ESX gzip unlzw() Integer Underflow Vulnerability

Source: CCN
Type: SA39976
VMware vMA OpenSSL CRYPTO_free_all_ex_data() Memory Leak Vulnerability

Source: CCN
Type: SA39977
VMware vMA Multiple krb5 Vulnerabilities

Source: CCN
Type: SA39979
VMware vMA GCC libtool Search Path Privilege Escalation Security Issue

Source: CCN
Type: SA39980
VMware vMA gzip unlzw() Integer Underflow Vulnerability

Source: CCN
Type: SA39981
VMware vMA sudo Privilege Escalation Security Issues

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: BID-37875
Red Hat Linux Kernel Routing Implementation Multiple Remote Denial of Service Vulnerabilities

Source: CCN
Type: Red Hat Bugzilla Bug 545411
CVE-2009-4272 kernel: emergency route cache flushing leads to node deadlock

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-routing-dos(55808)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:redhat:enterprise_linux:5:*:server:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:esx_server:4.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:22940
    P
    		ELSA-2010:0046: kernel security and bug fix update (Important)
    2014-05-26
    oval:org.mitre.oval:def:21777
    P
    		RHSA-2010:0046: kernel security and bug fix update (Important)
    2014-02-24
    oval:org.mitre.oval:def:7026
    V
    		Red Hat Linux Kernel Routing Implementation Multiple Remote Denial of Service Vulnerabilities
    2014-01-20
    oval:org.mitre.oval:def:11167
    V
    		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.
    2013-04-29
    oval:com.redhat.rhsa:def:20100046
    P
    		RHSA-2010:0046: kernel security and bug fix update (Important)
    2010-01-19
    BACK
    redhat enterprise linux 5
    redhat enterprise linux 5
    redhat enterprise linux 5
    vmware esx server 4.0