CVE-2003-0248

The mxcsr code in Linux kernel 2.4 allows attackers to modify CPU state registers via a malformed address.

Published: 2003-06-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0248 is rated High Risk (73.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.72%). Core evidence: EPSS rose +2.29% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-0248

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.44% 3.72% +2.29%
2 2025-03-30 2.34% 1.44% -0.91%
3 2025-03-29 2.34%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0248

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2003-0248

OS Trackers for CVE-2003-0248

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2003-0248

Affected software / configurations for CVE-2003-0248

Vendor Product Version Raw CPE
redhat linux 7.1 cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:*
redhat linux 7.2 cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:*
redhat linux 7.3 cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:*
redhat linux 8.0 cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
redhat linux 9.0 cpe:2.3:o:redhat:linux:9.0:*:i386:*:*:*:*:*

References for CVE-2003-0248

cvelogic Threat Intelligence