CVE-2005-0001

Race condition in the page fault handler (fault.c) for Linux kernel 2.2.x to 2.2.7, 2.4 to 2.4.29, and 2.6 to 2.6.10, when running on multiprocessor machines, allows local users to execute arbitrary code via concurrent threads that share the same virtual memory space and simultaneously request stack expansion.

Published: 2005-05-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-0001 is rated Moderate Risk (51.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.66%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-0001

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-09 1.07% 0.66% -0.41%
2 2025-12-22 0.32% 1.07% +0.76%
3 2025-12-14 0.32%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0001

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.4 10.0 [email protected]

Weakness enumeration for CVE-2005-0001

OS Trackers for CVE-2005-0001

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2005-0001
ubuntu medium CVE-2005-0001 medium priority: Ubuntu including 3 source packages (kernel-source-2.4.27, linux-source-2.6.15, linux-source-2.6.17), 12 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 5, released 4, needs-triage 3. https://ubuntu.com/security/CVE-2005-0001

Affected software / configurations for CVE-2005-0001

Vendor Product Version Raw CPE
linux linux_kernel 2.2.7 cpe:2.3:o:linux:linux_kernel:2.2.7:*:*:*:*:*:*:*
linux linux_kernel 2.4.0 cpe:2.3:o:linux:linux_kernel:2.4.0:*:*:*:*:*:*:*
linux linux_kernel 2.4.1 cpe:2.3:o:linux:linux_kernel:2.4.1:*:*:*:*:*:*:*
linux linux_kernel 2.4.2 cpe:2.3:o:linux:linux_kernel:2.4.2:*:*:*:*:*:*:*
linux linux_kernel 2.4.3 cpe:2.3:o:linux:linux_kernel:2.4.3:*:*:*:*:*:*:*
linux linux_kernel 2.4.4 cpe:2.3:o:linux:linux_kernel:2.4.4:*:*:*:*:*:*:*
linux linux_kernel 2.4.5 cpe:2.3:o:linux:linux_kernel:2.4.5:*:*:*:*:*:*:*
linux linux_kernel 2.4.6 cpe:2.3:o:linux:linux_kernel:2.4.6:*:*:*:*:*:*:*
linux linux_kernel 2.4.7 cpe:2.3:o:linux:linux_kernel:2.4.7:*:*:*:*:*:*:*
linux linux_kernel 2.4.8 cpe:2.3:o:linux:linux_kernel:2.4.8:*:*:*:*:*:*:*
linux linux_kernel 2.4.9 cpe:2.3:o:linux:linux_kernel:2.4.9:*:*:*:*:*:*:*
linux linux_kernel 2.4.10 cpe:2.3:o:linux:linux_kernel:2.4.10:*:*:*:*:*:*:*
linux linux_kernel 2.4.11 cpe:2.3:o:linux:linux_kernel:2.4.11:*:*:*:*:*:*:*
linux linux_kernel 2.4.12 cpe:2.3:o:linux:linux_kernel:2.4.12:*:*:*:*:*:*:*
linux linux_kernel 2.4.13 cpe:2.3:o:linux:linux_kernel:2.4.13:*:*:*:*:*:*:*
linux linux_kernel 2.4.14 cpe:2.3:o:linux:linux_kernel:2.4.14:*:*:*:*:*:*:*
linux linux_kernel 2.4.15 cpe:2.3:o:linux:linux_kernel:2.4.15:*:*:*:*:*:*:*
linux linux_kernel 2.4.16 cpe:2.3:o:linux:linux_kernel:2.4.16:*:*:*:*:*:*:*
linux linux_kernel 2.4.17 cpe:2.3:o:linux:linux_kernel:2.4.17:*:*:*:*:*:*:*
linux linux_kernel 2.4.18 cpe:2.3:o:linux:linux_kernel:2.4.18:*:*:*:*:*:*:*
linux linux_kernel 2.4.19 cpe:2.3:o:linux:linux_kernel:2.4.19:*:*:*:*:*:*:*
linux linux_kernel 2.4.20 cpe:2.3:o:linux:linux_kernel:2.4.20:*:*:*:*:*:*:*
linux linux_kernel 2.4.21 cpe:2.3:o:linux:linux_kernel:2.4.21:*:*:*:*:*:*:*
linux linux_kernel 2.4.22 cpe:2.3:o:linux:linux_kernel:2.4.22:*:*:*:*:*:*:*
linux linux_kernel 2.4.23 cpe:2.3:o:linux:linux_kernel:2.4.23:*:*:*:*:*:*:*
linux linux_kernel 2.4.24 cpe:2.3:o:linux:linux_kernel:2.4.24:*:*:*:*:*:*:*
linux linux_kernel 2.4.25 cpe:2.3:o:linux:linux_kernel:2.4.25:*:*:*:*:*:*:*
linux linux_kernel 2.4.26 cpe:2.3:o:linux:linux_kernel:2.4.26:*:*:*:*:*:*:*
linux linux_kernel 2.4.27 cpe:2.3:o:linux:linux_kernel:2.4.27:*:*:*:*:*:*:*
linux linux_kernel 2.4.28 cpe:2.3:o:linux:linux_kernel:2.4.28:*:*:*:*:*:*:*
linux linux_kernel 2.4.29 cpe:2.3:o:linux:linux_kernel:2.4.29:*:*:*:*:*:*:*
linux linux_kernel 2.6.0 cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
linux linux_kernel 2.6.1 cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
linux linux_kernel 2.6.2 cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*
linux linux_kernel 2.6.3 cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:*
linux linux_kernel 2.6.4 cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:*
linux linux_kernel 2.6.5 cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:*
linux linux_kernel 2.6.6 cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:*
linux linux_kernel 2.6.7 cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:*
linux linux_kernel 2.6.8 cpe:2.3:o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:*
linux linux_kernel 2.6.9 cpe:2.3:o:linux:linux_kernel:2.6.9:2.6.20:*:*:*:*:*:*
linux linux_kernel 2.6.10 cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
redhat enterprise_linux 3.0 cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_server:*:*:*:*:*
redhat enterprise_linux 3.0 cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:*
redhat enterprise_linux 3.0 cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation_server:*:*:*:*:*
redhat enterprise_linux 4.0 cpe:2.3:o:redhat:enterprise_linux:4.0:*:advanced_server:*:*:*:*:*
redhat enterprise_linux 4.0 cpe:2.3:o:redhat:enterprise_linux:4.0:*:enterprise_server:*:*:*:*:*
redhat enterprise_linux 4.0 cpe:2.3:o:redhat:enterprise_linux:4.0:*:workstation:*:*:*:*:*
redhat enterprise_linux_desktop 3.0 cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 4.0 cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*
trustix secure_linux 2 cpe:2.3:o:trustix:secure_linux:2:*:*:*:*:*:*:*
trustix secure_linux 2.1 cpe:2.3:o:trustix:secure_linux:2.1:*:*:*:*:*:*:*
trustix secure_linux 2.2 cpe:2.3:o:trustix:secure_linux:2.2:*:*:*:*:*:*:*

References for CVE-2005-0001

URL Tags
http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
http://isec.pl/vulnerabilities/isec-0022-pagefault.txt
http://lists.grok.org.uk/pipermail/full-disclosure/2005-January/030826.html
http://marc.info/?l=bugtraq&m=110554694522719&w=2
http://marc.info/?l=bugtraq&m=110581146702951&w=2
http://secunia.com/advisories/13822
http://secunia.com/advisories/20163
http://secunia.com/advisories/20202
http://secunia.com/advisories/20338
http://securitytracker.com/id?1012862
http://www.debian.org/security/2006/dsa-1067
http://www.debian.org/security/2006/dsa-1069
http://www.debian.org/security/2006/dsa-1070
http://www.debian.org/security/2006/dsa-1082
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022
http://www.redhat.com/support/errata/RHSA-2005-016.html
http://www.redhat.com/support/errata/RHSA-2005-017.html
http://www.redhat.com/support/errata/RHSA-2005-043.html
http://www.redhat.com/support/errata/RHSA-2005-092.html
http://www.securityfocus.com/bid/12244
http://www.trustix.org/errata/2005/0001/
https://bugzilla.fedora.us/show_bug.cgi?id=2336
https://exchange.xforce.ibmcloud.com/vulnerabilities/18849
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10322
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