CVE-2006-2446: linux linux_kernel
Vulnerability summary
CVE-2006-2446 is a medium (CVSS 5.4) vulnerability in linux linux_kernel. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.9% of scored vulnerabilities.
Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 15-08-2006PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.44%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.44% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel2.6.9:2.6.20
1 vendor · 1 product
References
12 links
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9117VDB EntrySignatureX Refsource OVAL
- support.avaya.com/elmodocs2/security/ASA-2006-200.htmX Refsource CONFIRM