Linux kernel NETLINK_FIB_LOOKUP denial of service

kernel-netlinkfiblookup-dos (34014) The risk level is classified as LowLow Risk

Description:

Linux kernel is vulnerable to a denial of service, caused by an infinite recursion error in the nl_fib_lookup() function when handling NETLINK_FIB_LOOKUP reply messages. A local attacker could exploit this vulnerability to cause a system panic or trigger a stack overflow.

Platforms Affected:

  • Canonical, Ubuntu 6.06 LTS
  • Canonical, Ubuntu 6.10
  • Debian, Debian Linux 4.0
  • Linux, Kernel 2.6.0 test9
  • Linux, Kernel 2.6.0 test8
  • Linux, Kernel 2.6.0 test7
  • Linux, Kernel 2.6.0 test6
  • Linux, Kernel 2.6.0 test5
  • Linux, Kernel 2.6.0 test4
  • Linux, Kernel 2.6.0 test3
  • Linux, Kernel 2.6.0 test2
  • Linux, Kernel 2.6.0 test11
  • Linux, Kernel 2.6.0 test10
  • Linux, Kernel 2.6.0 test1
  • Linux, Kernel 2.6.0
  • Linux, Kernel 2.6.1 rc3
  • Linux, Kernel 2.6.1 rc2
  • Linux, Kernel 2.6.1 rc1
  • Linux, Kernel 2.6.1
  • Linux, Kernel 2.6.10 rc3
  • Linux, Kernel 2.6.10
  • Linux, Kernel 2.6.10 rc1
  • Linux, Kernel 2.6.10 rc2
  • Linux, Kernel 2.6.11 rc4
  • Linux, Kernel 2.6.11 rc3
  • Linux, Kernel 2.6.11
  • Linux, Kernel 2.6.11 rc1
  • Linux, Kernel 2.6.11 rc5
  • Linux, Kernel 2.6.11 rc2
  • Linux, Kernel 2.6.11.1
  • Linux, Kernel 2.6.11.10
  • Linux, Kernel 2.6.11.11
  • Linux, Kernel 2.6.11.12
  • Linux, Kernel 2.6.11.2
  • Linux, Kernel 2.6.11.3
  • Linux, Kernel 2.6.11.4
  • Linux, Kernel 2.6.11.5
  • Linux, Kernel 2.6.11.6
  • Linux, Kernel 2.6.11.7
  • Linux, Kernel 2.6.11.8
  • Linux, Kernel 2.6.11.9
  • Linux, Kernel 2.6.12
  • Linux, Kernel 2.6.12 rc1
  • Linux, Kernel 2.6.12 rc2
  • Linux, Kernel 2.6.12 rc3
  • Linux, Kernel 2.6.12 rc4
  • Linux, Kernel 2.6.12 rc5
  • Linux, Kernel 2.6.12 rc6
  • Linux, Kernel 2.6.12.1
  • Linux, Kernel 2.6.12.12
  • Linux, Kernel 2.6.12.2
  • Linux, Kernel 2.6.12.22
  • Linux, Kernel 2.6.12.3
  • Linux, Kernel 2.6.12.4
  • Linux, Kernel 2.6.12.5
  • Linux, Kernel 2.6.12.6
  • Linux, Kernel 2.6.13 rc4
  • Linux, Kernel 2.6.13 rc2
  • Linux, Kernel 2.6.13 rc1
  • Linux, Kernel 2.6.13
  • Linux, Kernel 2.6.13 rc5
  • Linux, Kernel 2.6.13 rc6
  • Linux, Kernel 2.6.13 rc7
  • Linux, Kernel 2.6.13 rc3
  • Linux, Kernel 2.6.13.1
  • Linux, Kernel 2.6.13.2
  • Linux, Kernel 2.6.13.3
  • Linux, Kernel 2.6.13.4
  • Linux, Kernel 2.6.13.5
  • Linux, Kernel 2.6.14
  • Linux, Kernel 2.6.14 rc5
  • Linux, Kernel 2.6.14 rc4
  • Linux, Kernel 2.6.14 rc3
  • Linux, Kernel 2.6.14 rc1
  • Linux, Kernel 2.6.14 rc2
  • Linux, Kernel 2.6.14.1
  • Linux, Kernel 2.6.14.2
  • Linux, Kernel 2.6.14.3
  • Linux, Kernel 2.6.14.4
  • Linux, Kernel 2.6.14.5
  • Linux, Kernel 2.6.14.6
  • Linux, Kernel 2.6.14.7
  • Linux, Kernel 2.6.15 rc2
  • Linux, Kernel 2.6.15
  • Linux, Kernel 2.6.15 rc1
  • Linux, Kernel 2.6.15 rc7
  • Linux, Kernel 2.6.15 rc6
  • Linux, Kernel 2.6.15 rc5
  • Linux, Kernel 2.6.15 rc4
  • Linux, Kernel 2.6.15 rc3
  • Linux, Kernel 2.6.15.1
  • Linux, Kernel 2.6.15.11
  • Linux, Kernel 2.6.15.2
  • Linux, Kernel 2.6.15.3
  • Linux, Kernel 2.6.15.4
  • Linux, Kernel 2.6.15.5
  • Linux, Kernel 2.6.15.6
  • Linux, Kernel 2.6.15.7
  • Linux, Kernel 2.6.16
  • Linux, Kernel 2.6.16 rc7
  • Linux, Kernel 2.6.16 rc3
  • Linux, Kernel 2.6.16 rc6
  • Linux, Kernel 2.6.16 rc5
  • Linux, Kernel 2.6.16 rc4
  • Linux, Kernel 2.6.16.1
  • Linux, Kernel 2.6.16.10
  • Linux, Kernel 2.6.16.11
  • Linux, Kernel 2.6.16.12
  • Linux, Kernel 2.6.16.13
  • Linux, Kernel 2.6.16.14
  • Linux, Kernel 2.6.16.15
  • Linux, Kernel 2.6.16.16
  • Linux, Kernel 2.6.16.17
  • Linux, Kernel 2.6.16.18
  • Linux, Kernel 2.6.16.19
  • Linux, Kernel 2.6.16.2
  • Linux, Kernel 2.6.16.20
  • Linux, Kernel 2.6.16.21
  • Linux, Kernel 2.6.16.22
  • Linux, Kernel 2.6.16.23
  • Linux, Kernel 2.6.16.24
  • Linux, Kernel 2.6.16.25
  • Linux, Kernel 2.6.16.26
  • Linux, Kernel 2.6.16.27
  • Linux, Kernel 2.6.16.28
  • Linux, Kernel 2.6.16.29
  • Linux, Kernel 2.6.16.3
  • Linux, Kernel 2.6.16.30
  • Linux, Kernel 2.6.16.31
  • Linux, Kernel 2.6.16.32
  • Linux, Kernel 2.6.16.33
  • Linux, Kernel 2.6.16.34
  • Linux, Kernel 2.6.16.35
  • Linux, Kernel 2.6.16.36
  • Linux, Kernel 2.6.16.37
  • Linux, Kernel 2.6.16.38
  • Linux, Kernel 2.6.16.39
  • Linux, Kernel 2.6.16.4
  • Linux, Kernel 2.6.16.40
  • Linux, Kernel 2.6.16.41
  • Linux, Kernel 2.6.16.43
  • Linux, Kernel 2.6.16.44
  • Linux, Kernel 2.6.16.45
  • Linux, Kernel 2.6.16.46
  • Linux, Kernel 2.6.16.47
  • Linux, Kernel 2.6.16.48
  • Linux, Kernel 2.6.16.49
  • Linux, Kernel 2.6.16.5
  • Linux, Kernel 2.6.16.50
  • Linux, Kernel 2.6.16.51
  • Linux, Kernel 2.6.16.52
  • Linux, Kernel 2.6.16.53
  • Linux, Kernel 2.6.16.6
  • Linux, Kernel 2.6.16.7
  • Linux, Kernel 2.6.16.8
  • Linux, Kernel 2.6.16.9
  • Linux, Kernel 2.6.17
  • Linux, Kernel 2.6.17 rc1
  • Linux, Kernel 2.6.17 rc6
  • Linux, Kernel 2.6.17 rc5
  • Linux, Kernel 2.6.17 rc4
  • Linux, Kernel 2.6.17 rc3
  • Linux, Kernel 2.6.17 rc2
  • Linux, Kernel 2.6.17.1
  • Linux, Kernel 2.6.17.10
  • Linux, Kernel 2.6.17.11
  • Linux, Kernel 2.6.17.12
  • Linux, Kernel 2.6.17.13
  • Linux, Kernel 2.6.17.14
  • Linux, Kernel 2.6.17.2
  • Linux, Kernel 2.6.17.3
  • Linux, Kernel 2.6.17.4
  • Linux, Kernel 2.6.17.5
  • Linux, Kernel 2.6.17.6
  • Linux, Kernel 2.6.17.7
  • Linux, Kernel 2.6.17.8
  • Linux, Kernel 2.6.17.9
  • Linux, Kernel 2.6.18 rc5
  • Linux, Kernel 2.6.18 rc2
  • Linux, Kernel 2.6.18 rc1
  • Linux, Kernel 2.6.18 rc3
  • Linux, Kernel 2.6.18 rc4
  • Linux, Kernel 2.6.18 rc6
  • Linux, Kernel 2.6.18 rc7
  • Linux, Kernel 2.6.18
  • Linux, Kernel 2.6.18.1
  • Linux, Kernel 2.6.18.10
  • Linux, Kernel 2.6.18.11
  • Linux, Kernel 2.6.18.12
  • Linux, Kernel 2.6.18.13
  • Linux, Kernel 2.6.18.14
  • Linux, Kernel 2.6.18.15
  • Linux, Kernel 2.6.18.16
  • Linux, Kernel 2.6.18.17
  • Linux, Kernel 2.6.18.18
  • Linux, Kernel 2.6.18.19
  • Linux, Kernel 2.6.18.2
  • Linux, Kernel 2.6.18.20
  • Linux, Kernel 2.6.18.21
  • Linux, Kernel 2.6.18.22
  • Linux, Kernel 2.6.18.23
  • Linux, Kernel 2.6.18.24
  • Linux, Kernel 2.6.18.25
  • Linux, Kernel 2.6.18.26
  • Linux, Kernel 2.6.18.27
  • Linux, Kernel 2.6.18.28
  • Linux, Kernel 2.6.18.29
  • Linux, Kernel 2.6.18.3
  • Linux, Kernel 2.6.18.30
  • Linux, Kernel 2.6.18.31
  • Linux, Kernel 2.6.18.32
  • Linux, Kernel 2.6.18.33
  • Linux, Kernel 2.6.18.34
  • Linux, Kernel 2.6.18.35
  • Linux, Kernel 2.6.18.36
  • Linux, Kernel 2.6.18.37
  • Linux, Kernel 2.6.18.38
  • Linux, Kernel 2.6.18.39
  • Linux, Kernel 2.6.18.4
  • Linux, Kernel 2.6.18.40
  • Linux, Kernel 2.6.18.41
  • Linux, Kernel 2.6.18.42
  • Linux, Kernel 2.6.18.43
  • Linux, Kernel 2.6.18.44
  • Linux, Kernel 2.6.18.45
  • Linux, Kernel 2.6.18.46
  • Linux, Kernel 2.6.18.47
  • Linux, Kernel 2.6.18.48
  • Linux, Kernel 2.6.18.49
  • Linux, Kernel 2.6.18.5
  • Linux, Kernel 2.6.18.50
  • Linux, Kernel 2.6.18.51
  • Linux, Kernel 2.6.18.52
  • Linux, Kernel 2.6.18.53
  • Linux, Kernel 2.6.18.6
  • Linux, Kernel 2.6.18.7
  • Linux, Kernel 2.6.18.8
  • Linux, Kernel 2.6.18.9
  • Linux, Kernel 2.6.19 rc2
  • Linux, Kernel 2.6.19 rc3
  • Linux, Kernel 2.6.19 rc4
  • Linux, Kernel 2.6.19 rc1
  • Linux, Kernel 2.6.19.0
  • Linux, Kernel 2.6.19.1
  • Linux, Kernel 2.6.19.2
  • Linux, Kernel 2.6.19.3
  • Linux, Kernel 2.6.19.4
  • Linux, Kernel 2.6.2 rc3
  • Linux, Kernel 2.6.2 rc2
  • Linux, Kernel 2.6.2 rc1
  • Linux, Kernel 2.6.2
  • Linux, Kernel 2.6.20
  • Linux, Kernel 2.6.20 rc2
  • Linux, Kernel 2.6.20.1
  • Linux, Kernel 2.6.20.2
  • Linux, Kernel 2.6.20.3
  • Linux, Kernel 2.6.20.4
  • Linux, Kernel 2.6.20.5
  • Linux, Kernel 2.6.20.6
  • Linux, Kernel 2.6.20.7
  • Linux, Kernel 2.6.3 rc1
  • Linux, Kernel 2.6.3 rc4
  • Linux, Kernel 2.6.3 rc3
  • Linux, Kernel 2.6.3 rc2
  • Linux, Kernel 2.6.3
  • Linux, Kernel 2.6.4
  • Linux, Kernel 2.6.4 rc3
  • Linux, Kernel 2.6.4 rc2
  • Linux, Kernel 2.6.4 rc1
  • Linux, Kernel 2.6.5 rc1
  • Linux, Kernel 2.6.5
  • Linux, Kernel 2.6.5 rc3
  • Linux, Kernel 2.6.5 rc2
  • Linux, Kernel 2.6.6 rc3
  • Linux, Kernel 2.6.6 rc2
  • Linux, Kernel 2.6.6
  • Linux, Kernel 2.6.6 rc1
  • Linux, Kernel 2.6.7
  • Linux, Kernel 2.6.7 rc3
  • Linux, Kernel 2.6.7 rc2
  • Linux, Kernel 2.6.7 rc1
  • Linux, Kernel 2.6.8 rc4
  • Linux, Kernel 2.6.8 rc3
  • Linux, Kernel 2.6.8 rc2
  • Linux, Kernel 2.6.8 rc1
  • Linux, Kernel 2.6.8
  • Linux, Kernel 2.6.8.1
  • Linux, Kernel 2.6.9
  • Linux, Kernel 2.6.9 rc4
  • Linux, Kernel 2.6.9 rc3
  • Linux, Kernel 2.6.9 rc2
  • Linux, Kernel 2.6.9 rc1
  • MandrakeSoft, Mandrake Linux 2007
  • MandrakeSoft, Mandrake Linux 2007 X86_64
  • MandrakeSoft, Mandrake Linux 2007.1 X86_64
  • MandrakeSoft, Mandrake Linux 2007.1
  • MandrakeSoft, Mandrake Linux 2008.0 X86_64
  • Novell, Linux Desktop 9
  • Novell, Linux POS 9
  • Novell, Open Enterprise Server
  • Novell, Open Enterprise Server
  • Novell, OpenSUSE 10.2
  • RedHat, Enterprise Linux 5 Client Workstation
  • RedHat, Enterprise Linux 5 Client
  • RedHat, Enterprise Linux 5
  • RedHat, Enterprise Linux Desktop 5.0
  • SuSE, SuSE Linux 10.0
  • SuSE, SuSE Linux 10.1
  • SuSE, SuSE SLES 9

Remedy:

Upgrade to the latest stable version of the Linux kernel (2.6.20.8 or later), available from The Linux Kernel Archives. See References.

For Debian GNU/Linux (linux-2.6):
Refer to DSA-1289-1 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux (kernel):
Refer to RHSA-2007:0347 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux (linux-source):
Refer to USN-489-1 for patch, upgrade, or suggested workaround information. See References.

For Mandriva Linux (kernel):
Refer to MDKSA-2007:171 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

Consequences:

Denial of Service

References:

  • The Linux Kernel Archives Web site, ChangeLog-2.6.20.8 at http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.8.
  • BID-23677: Linux Kernel NETLINK_FIB_LOOKUP Local Denial of Service Vulnerability
  • CVE-2007-1861: The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
  • DSA-1289: linux-2.6 -- several vulnerabilities
  • MDKSA-2007:171: Updated kernel packages fix multiple vulnerabilities and bugs
  • RHSA-2007-0347: Important: kernel security and bug fix update
  • SA25030: Linux Kernel netlink NETLINK_FIB_LOOKUP Denial of Service
  • SUSE-SA:2007:043: Linux kernel update
  • USN-486-1: Linux kernel vulnerabilities
  • USN-489-1: Linux kernel vulnerabilities
  • VUPEN/ADV-2007-1595: Linux Kernel NETLINK_FIB_LOOKUP Message Reply Denial of Service Vulnerability

Reported:

Apr 25, 2007

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For corrections or additions please email xforce@iss.net

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