CVE-2003-0244: linux linux_kernel
Vulnerability summary
CVE-2003-0244 is a medium (CVSS 5.0) vulnerability in linux linux_kernel. EPSS estimates a 7.73% chance of exploitation in the next 30 days, higher than 94.6% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5Timeline
- 08-05-2003PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
Description
The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service (CPU consumption) via packets with forged source addresses that cause a large number of hash table collisions.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
7.73%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.73% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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_kernel2.4.0
1 vendor · 1 product
References
19 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A261VDB EntrySignatureX Refsource OVAL
Show all 19 references
- www.enyo.de/fw/security/notes/linux-dst-cache-dos.htmlX Refsource MISC
- marc.info?l=linux-kernel&m=104956079213417X Refsource MISC