#VU92859 Resource management errors in Linux kernel - CVE-2008-2136
Vulnerability identifier: #VU92859
Vulnerability risk: Low
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2008-2136
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3 allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3
https://lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html
https://lists.opensuse.org/opensuse-security-announce/2008-07/msg00002.html
https://marc.info/?l=linux-netdev&m=121031533024912&w=2
https://secunia.com/advisories/30198
https://secunia.com/advisories/30241
https://secunia.com/advisories/30276
https://secunia.com/advisories/30368
https://secunia.com/advisories/30499
https://secunia.com/advisories/30818
https://secunia.com/advisories/30962
https://secunia.com/advisories/31107
https://secunia.com/advisories/31198
https://secunia.com/advisories/31341
https://secunia.com/advisories/31628
https://secunia.com/advisories/31689
https://secunia.com/advisories/33201
https://secunia.com/advisories/33280
https://support.avaya.com/elmodocs2/security/ASA-2008-362.htm
https://wiki.rpath.com/wiki/Advisories:rPSA-2008-0169
https://www.debian.org/security/2008/dsa-1588
https://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.5
https://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3
https://www.mandriva.com/security/advisories?name=MDVSA-2008:167
https://www.mandriva.com/security/advisories?name=MDVSA-2008:174
https://www.redhat.com/support/errata/RHSA-2008-0585.html
https://www.redhat.com/support/errata/RHSA-2008-0607.html
https://www.redhat.com/support/errata/RHSA-2008-0612.html
https://www.redhat.com/support/errata/RHSA-2008-0787.html
https://www.redhat.com/support/errata/RHSA-2008-0973.html
https://www.securityfocus.com/bid/29235
https://www.securitytracker.com/id?1020118
https://www.ubuntu.com/usn/usn-625-1
https://www.vupen.com/english/advisories/2008/1543/references
https://www.vupen.com/english/advisories/2008/1716/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/42451
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11038
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6503
https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00294.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
