Is CVE-2008-2136 being actively exploited?

CVE-2008-2136 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-2136?

CVE-2008-2136 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2008-2136

HIGH · CVSS 7.8EPSS 4.9%EU EUVD

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.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-399
EPSS score: 4.9% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-2133)
Published: May 16, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-2133 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
linux / linux kernel

References

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3(Vendor Advisory)
http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00002.html(Third Party Advisory)
http://marc.info/?l=linux-netdev&m=121031533024912&w=2(Mailing List, Third Party Advisory)
http://secunia.com/advisories/30198(Third Party Advisory)
http://secunia.com/advisories/30241(Third Party Advisory)
http://secunia.com/advisories/30276(Third Party Advisory)
http://secunia.com/advisories/30368(Third Party Advisory)
http://secunia.com/advisories/30499(Third Party Advisory)
http://secunia.com/advisories/30818(Third Party Advisory)
http://secunia.com/advisories/30962(Third Party Advisory)
http://secunia.com/advisories/31107(Third Party Advisory)
http://secunia.com/advisories/31198(Third Party Advisory)
http://secunia.com/advisories/31341(Third Party Advisory)
http://secunia.com/advisories/31628(Third Party Advisory)
http://secunia.com/advisories/31689(Third Party Advisory)
http://secunia.com/advisories/33201(Third Party Advisory)
http://secunia.com/advisories/33280(Third Party Advisory)
http://support.avaya.com/elmodocs2/security/ASA-2008-362.htm(Third Party Advisory)
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0169(Broken Link)
http://www.debian.org/security/2008/dsa-1588(Third Party Advisory)
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.5(Vendor Advisory)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3(Vendor Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:167(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:174(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0585.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0607.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0612.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0787.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0973.html(Third Party Advisory)
http://www.securityfocus.com/bid/29235(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1020118(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/usn-625-1(Third Party Advisory)
http://www.vupen.com/english/advisories/2008/1543/references(Third Party Advisory)
http://www.vupen.com/english/advisories/2008/1716/references(Third Party Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/42451(Third Party Advisory, VDB Entry)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11038(Broken Link)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6503(Broken Link)
https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00294.html(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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