Race condition in Linux kernel

1) Race condition

EUVDB-ID: #VU99730

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2005-0001

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

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.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
https://isec.pl/vulnerabilities/isec-0022-pagefault.txt
https://lists.grok.org.uk/pipermail/full-disclosure/2005-January/030826.html
https://marc.info/?l=bugtraq&m=110554694522719&w=2
https://marc.info/?l=bugtraq&m=110581146702951&w=2
https://secunia.com/advisories/13822
https://secunia.com/advisories/20163
https://secunia.com/advisories/20202
https://secunia.com/advisories/20338
https://securitytracker.com/id?1012862
https://www.debian.org/security/2006/dsa-1067
https://www.debian.org/security/2006/dsa-1069
https://www.debian.org/security/2006/dsa-1070
https://www.debian.org/security/2006/dsa-1082
https://www.mandriva.com/security/advisories?name=MDKSA-2005:022
https://www.redhat.com/support/errata/RHSA-2005-016.html
https://www.redhat.com/support/errata/RHSA-2005-017.html
https://www.redhat.com/support/errata/RHSA-2005-043.html
https://www.redhat.com/support/errata/RHSA-2005-092.html
https://www.securityfocus.com/bid/12244
https://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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.