CVE-2003-0127

highpriority · track · 40EPSS 0.016 · 75 %ileexploit · functionalEURUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
5 exploits · functional
Likely / severe?
1.57% (75th) EPSS
CVSS 7.2 · high
Is it mine?
69 products
Check your exposure
Who says so?
4 sources
enisa_euvd · fstec_bdu · nvd · redhat_csaf

EPSS · scored 2026-10-26

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRed Hat Linux 6.2redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. The procedure for upgrading the kernel is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/kernel-upgrade.html Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:088
  • FixedRed Hat Linux 7.0redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. The procedure for upgrading the kernel is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/kernel-upgrade.html Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:088
  • FixedRed Hat Linux 7.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:098
  • FixedRed Hat Linux 7.2redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:098
  • FixedRed Hat Linux 7.3redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:098
  • FixedRed Hat Linux 8.0redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:098
  • FixedRed Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:103
  • FixedRed Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:103
  • FixedRed Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:103
  • FixedRed Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Release notes, driver notes, and driver disks for this update are available at the following URL: http://www.redhat.com/support/errata/rhel/ Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206 respectively. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:145
  • FixedRed Hat Linux Advanced Workstation 2.1redhat_csaf

    Release notes, driver notes, and driver disks for this update are available at the following URL: http://www.redhat.com/support/errata/rhel/ Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206 respectively. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:145
  • FixedRed Hat Linux 7.1redhat_csaf

    NOTE: Installing the kernel rpms does not automatically prepare the system to boot the new kernel. Refer to the Problem Description section for specific instructions. Before applying this update, make sure all previously released errata relevant to your system have been applied. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly on default configurations of up2date.

    https://access.redhat.com/errata/RHSA-2003:190
02

cvss

Technical severity, 0–10. One row per scoring source.

10.0
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.2–10

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10
v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU
v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USLLM-inferredCWE-284USLLM-inferred
04

exploits (5)

Public proof-of-concept and weaponised exploit code.

05

affected products (69)

Products and version ranges known to be affected.

showing 20 of 69
06

advisories (5)

Vendor and ecosystem advisories describing this.

  • RHSA-2003:088Red Hat Security Advisory: : New kernel 2.2 packages fix vulnerabilities2003-03-20csaf · redhat_csafUS

    Updated kernel packages for Red Hat Linux 6.2 and 7.0 are now available that fix several security vulnerabilities.

  • RHSA-2003:098Red Hat Security Advisory: : Updated 2.4 kernel fixes vulnerability2003-03-17csaf · redhat_csafUS

    Updated kernel packages for Red Hat Linux 7.1, 7.2, 7.3, and 8.0 are now available. These packages fix a ptrace-related vulnerability that can lead to elevated (root) privileges. [Updated 30 March 2003] Updated kernel packages for Red Hat Linux 7.2 ia64 have been added. [Updated 28 May 2003] Replacement kernel packages for Red Hat Linux 7.2 ia64 have been added; the previous packages did not contain the fix for the ptrace vulnerability.

  • RHSA-2003:103Red Hat Security Advisory: kernel security update2003-03-21csaf · redhat_csafUS

    Updated kernel packages are now available that fix a ptrace-related vulnerability which can lead to elevated (root) privileges.

  • RHSA-2003:145Red Hat Security Advisory: Updated kernel fixes security vulnerabilities and updates drivers2003-05-27csaf · redhat_csafUS

    These updated kernel packages address security vulnerabilites, including a potential data corruption scenario. In addition, a number of drivers have been updated, bugs have been resolved, and support for the IBM x450 platform and the Madison processor have been added.

  • RHSA-2003:190Red Hat Security Advisory: : : : Updated 2.4 kernel for pSeries and iSeries fixes vulnerabilities2003-06-25csaf · redhat_csafUS

    Updated kernel packages, based on the 2.4.18 kernel, are now available for Red Hat Linux 7.1 for iSeries and pSeries systems. Please see the NOTE at the end of the description for important information about booting the new kernel on your system.

07

also known as (20)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

published 2003-03-31modified 2026-06-16
09

references (38)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan