$ cve CVE-2003-0127 JSON

CVE-2003-0127 EXPLOIT

7.2

HIGH · CVSS 2.0 · EPSS 1.6% (pctl 75)

Patch early

A public exploit exists.

Description

The kernel module loader in Linux kernel 2.2.x before 2.2.25, and 2.4.x before 2.4.21, allows local users to gain root privileges by using ptrace to attach to a child process that is spawned by the kernel.

Scoring

CVSS	7.2 (HIGH, v2.0)
Vector	AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS	1.58% — more likely to be exploited than 75% of all CVEs
On CISA KEV	no
Public exploit	yes
Published	2003-03-31
Last modified	2026-06-16

Affected (1)

Vendor	Product
linux	linux kernel

Public exploits

Source	Title	Date
exploit-db	Linux Kernel < 2.4.20 - Module Loader Privilege Escalation	2003-04-14
exploit-db	Linux Kernel 2.2.x/2.4.x - Privileged Process Hijacking Privilege Escalation (2)	2003-04-10
exploit-db	Linux Kernel 2.2.x/2.4.x (RedHat) - 'ptrace/kmod' Local Privilege Escalation	2003-03-30
exploit-db	Linux Kernel 2.2.x/2.4.x - Privileged Process Hijacking Privilege Escalation (1)	2003-03-17

References

→ the Explorer · watch your stack · NVD