Description
The do_fork function in Linux 2.4.x before 2.4.26, and 2.6.x before 2.6.6, does not properly decrement the mm_count counter when an error occurs after the mm_struct for a child process has been activated, which triggers a memory leak that allows local users to cause a denial of service (memory exhaustion) via the clone (CLONE_VM) system call.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/20163 ↗
- http://www.redhat.com/support/errata/RHSA-2004-327.html ↗
- http://secunia.com/advisories/11464 ↗
- http://linux.bkbits.net:8080/linux-2.6/cset%40407b1217x4jtqEkpFW2g_-RcF0726A ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16002 ↗
- http://www.debian.org/security/2006/dsa-1082 ↗
- http://www.redhat.com/support/errata/RHSA-2004-255.html ↗
- http://fedoranews.org/updates/FEDORA-2004-111.shtml ↗
- http://secunia.com/advisories/11861 ↗
- http://marc.info/?l=linux-kernel&m=108139073506983&w=2 ↗
- http://www.redhat.com/support/errata/RHSA-2004-260.html ↗
- http://www.novell.com/linux/security/advisories/2004_10_kernel.html ↗
- http://www.debian.org/security/2006/dsa-1070 ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10297 ↗
- http://secunia.com/advisories/20162 ↗
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:037 ↗
- http://secunia.com/advisories/11891 ↗
- http://secunia.com/advisories/11486 ↗
- http://www.turbolinux.com/security/2004/TLSA-2004-14.txt ↗
- http://secunia.com/advisories/11541 ↗
- http://linux.bkbits.net:8080/linux-2.4/cset%40407bf20eDeeejm8t36_tpvSE-8EFHA ↗
- http://www.debian.org/security/2006/dsa-1067 ↗
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000846 ↗
- http://www.securityfocus.com/bid/10221 ↗
- http://www.debian.org/security/2006/dsa-1069 ↗
- http://secunia.com/advisories/11429 ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2819 ↗
- http://www.ciac.org/ciac/bulletins/o-164.shtml ↗
- http://secunia.com/advisories/20202 ↗
- http://security.gentoo.org/glsa/glsa-200407-02.xml ↗
- http://secunia.com/advisories/11892 ↗
- http://secunia.com/advisories/20338 ↗