Security readout for executives and security teams
This flaw affects an old grsecurity patch level for Linux 2.4.18. A local user could bypass protections intended to keep kernel memory read-only by mapping memory devices directly. It matters only where this legacy kernel and grsecurity version still exist, but on those systems it threatens operating-system integrity. Likely exposure is limited to legacy Linux 2.4.18 systems using grsecurity 1.9.4, especially multi-user hosts or systems allowing local code execution. Modern systems are unlikely to match this configuration, but legacy appliances and forgotten servers should be checked. Treat as urgent only for confirmed legacy deployments. For most modern environments, priority is asset discovery rather than emergency response. If affected systems exist, prioritize containment or replacement because kernel memory integrity can undermine the host’s security model. Mitigation focus: Inventory systems for Linux 2.4.18 with grsecurity 1.9.4.; Remove or isolate affected legacy hosts from shared-user environments.; Review access controls around /dev/mem and /dev/kmem..
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
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CVE-2002-1826 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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
Products and packages named in the record
CWE details
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