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CVE-2003-0959

25
FAUCET Score

CVE-2003-0959 describes multiple integer overflows within the 32-bit emulation layer of the Linux kernel (versions prior to 2.4.21) on AMD64 architectures. This vulnerability allows remote attackers to achieve a denial of service or gain root privileges by manipulating the copy_from_user function with improper length arguments. With a CVSS score of 10.0, this critical flaw indicates a network-exploitable vulnerability with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
N/AN/A
n/aCNA affected

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.69%
Probability of exploitation in next 30 days
EPSS Percentile
74.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 57th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Remediation records are not available for this CVE.

References

linux.bkbits.net / linux-2.4/cset%403ed382f7UfJ9Q2LKCJq1Tc5B7-EC5A
exchange.xforce.ibmcloud.com / vulnerabilities/43072