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CVE-2003-0244
The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service…
Medium5.0EPSS 7.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 7.7% · top 5.4% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (19)
- 7601 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2003:147 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- MDKSA-2003:074 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- DSA-336 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- oval:org.mitre.oval:def:261 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- data-algorithmic-complexity-dos(15382) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- MDKSA-2003:066 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- RHSA-2003:172 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- ESA-20030515-017 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
- DSA-311 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-332 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 8786 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2003:145 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.enyo.de/fw/security/notes/linux-dst-cache-dos.html (opens in a new tab)x_refsource_MISCx_transferred
- DSA-312 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20030517 Algorithmic Complexity Attacks and the Linux Networking Code (opens in a new tab)mailing-listx_refsource_VULNWATCHx_transferred
- DSA-442 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://marc.info/?l=linux-kernel&m=104956079213417 (opens in a new tab)x_refsource_MISCx_transferred
- 20030618 [slackware-security] 2.4.21 kernels available (SSA:2003-168-01) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .