CVE-2003-0700: The C-Media PCI sound driver in Linux before 2.4.22 does not use the get_user function to access userspace...

Security readout for executives and security teams

CVE-2003-0700 is an old Linux kernel driver issue in the C-Media PCI sound driver. On Linux versions before 2.4.22, the driver could improperly access user-space memory, weakening kernel security boundaries. The sources do not provide CVSS scoring or evidence of active exploitation. Exposure is most likely limited to legacy Linux systems running kernels before 2.4.22 with the C-Media PCI sound driver present. Modern supported Linux distributions are unlikely to be affected, but embedded, archived, or unmanaged systems should be checked. Low urgency for modern estates, but unresolved legacy Linux systems should be treated as a governance and exposure-management issue because unsupported kernels often carry many additional risks. Mitigation focus: Check Red Hat and distribution advisories for applicable kernel updates.; Upgrade affected Linux kernels to a vendor-fixed release.; Prioritize unsupported legacy systems for replacement or isolation..

Prepared

Jun 30, 2026, 07:12 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.