Security readout for executives and security teams
This is an old Linux kernel driver flaw affecting the C-Media PCI sound driver before Linux 2.4.21. The driver mishandled access to user memory, crossing a kernel security boundary and potentially making other vulnerabilities easier to exploit. Business urgency depends on whether any legacy Linux 2.4 systems remain in use. Likely exposure is limited to legacy Linux systems running kernels before 2.4.21 with the C-Media PCI sound driver present or enabled. Modern systems are unlikely to be affected unless they retain very old kernels or embedded distributions. Treat this as a legacy-system risk. It is not currently shown as exploited, but any production system old enough to be affected likely carries broader unsupported-kernel risk and should be prioritized for retirement, isolation, or vendor-supported patching. Mitigation focus: Inventory Linux systems for kernels earlier than 2.4.21.; Check vendor advisories for the applicable fixed kernel packages.; Apply vendor-supported kernel updates that include the driver fix..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2003-0699 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:387CVE reference · vdb-entry, signature
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
