Unrated severityNVD Advisory· Published Dec 31, 2002· Updated Jun 16, 2026

CVE-2002-1826

Description

grsecurity 1.9.4 for Linux kernel 2.4.18 allows local users to bypass read-only permissions by using mmap to directly map /dev/mem or /dev/kmem to kernel memory.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Grsecurity/Grsecurity Kernel Patch
cpe:2.3:a:grsecurity:grsecurity_kernel_patch:1.9.4:*:*:*:*:*:*:*
Grsecurity/grsecurityllm-fuzzy
Range: = 1.9.4

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/4762nvdExploit
online.securityfocus.com/archive/1/273002nvd
www.iss.net/security_center/static/9109.phpnvd

News mentions

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