Description

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.

Affected Products 53

References 24

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

Remediation