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CVE-2003-1604

26
FAUCET Score

CVE-2003-1604 is a denial-of-service vulnerability affecting the Linux kernel, specifically versions prior to 2.6.0. It allows remote attackers to trigger a NULL pointer dereference and system crash (OOPS) by sending packets to an interface configured with a 0.0.0.0 IP address. This vulnerability carries a high severity CVSS score of 7.5, indicating it can be exploited remotely with low attack complexity, leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5.75CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.75%
Probability of exploitation in next 30 days
EPSS Percentile
88.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0375 is in the 80th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2003-1604Moderate

kernel: Missing NULL pointer check in nf_nat_redirect_ipv4

Oct 20, 2003

References

lists.opensuse.org / opensuse-security-announce/2016-04/msg00015.html
marc.info
bugzilla.redhat.com / show_bug.cgi
openwall.com / lists/oss-security/2016/01/27/9