CVE-2002-1380

Linux kernel 2.2.x - Denial of Service via mmap PROT_READ on /proc/pid/mem

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2002-1380. PoCs published by Michal Zalewski.

AI-analyzed exploit summary This exploit targets a denial-of-service vulnerability in the Linux 2.2 kernel by leveraging a bug in the mmap() implementation. It uses ptrace to attach to its own process and then maps memory from /proc/pid/mem, causing the kernel to stop responding.

Description

Linux kernel 2.2.x allows local users to cause a denial of service (crash) by using the mmap() function with a PROT_READ parameter to access non-readable memory pages through the /proc/pid/mem interface.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Michal Zalewski · cdoslinux
https://www.exploit-db.com/exploits/22105

This exploit targets a denial-of-service vulnerability in the Linux 2.2 kernel by leveraging a bug in the mmap() implementation. It uses ptrace to attach to its own process and then maps memory from /proc/pid/mem, causing the kernel to stop responding.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Linux kernel 2.2.x
No auth needed
Prerequisites: Unprivileged user access on a Linux 2.2.x system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2003/dsa-336
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2003-088.html
Various Sources vendor-advisory x_refsource_engarde
http://www.linuxsecurity.com/advisories/engarde_advisory-2976.html
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/6420
Various Sources vendor-advisory x_refsource_mandrake
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:039
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/10884
Various Sources vendor-advisory x_refsource_trustix
http://www.trustix.net/errata/misc/2002/TSL-2002-0083-kernel.asc.txt

Scores

EPSS 0.0087
EPSS Percentile 54.1%

Details

Status published
Products (23)
linux/linux_kernel 2.2.1
linux/linux_kernel 2.2.2
linux/linux_kernel 2.2.3
linux/linux_kernel 2.2.4
linux/linux_kernel 2.2.5
linux/linux_kernel 2.2.6
linux/linux_kernel 2.2.7
linux/linux_kernel 2.2.8
linux/linux_kernel 2.2.9
linux/linux_kernel 2.2.10
... and 13 more
Published Dec 23, 2002
Tracked Since Feb 18, 2026