CVE-2004-0812: Unknown vulnerability in the Linux kernel before 2.4.23, on the AMD AMD64 and Intel EM64T architectures, as...

Security readout for executives and security teams

This is an old Linux kernel flaw affecting pre-2.4.23 kernels on AMD64 and Intel EM64T systems. A local user could crash the system, and the CVE says arbitrary code execution may be possible. Risk is mainly to legacy 64-bit Linux hosts still running obsolete kernels. Exposure is most plausible on legacy AMD64 or Intel EM64T Linux systems running kernels older than 2.4.23. Modern distributions should generally be unaffected unless they preserve vulnerable legacy kernels. Systems without local untrusted users have lower practical exposure. Treat this as a legacy-system hygiene issue unless vulnerable kernels remain in service. If any affected host supports shared local access or critical workloads, prioritize remediation because the impact includes crash and possible code execution. Mitigation focus: Identify AMD64 and Intel EM64T Linux hosts running kernels older than 2.4.23.; Apply vendor kernel updates, including relevant distribution advisories such as RHSA-2004:549 where applicable.; Retire or isolate unsupported legacy systems that cannot receive kernel fixes..

Prepared

Jun 30, 2026, 01:38 UTC (UTC+00:00)

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