CVE-2005-4811

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-12-31 · updated 2026-06-16

Description

The hugepage code (hugetlb.c) in Linux kernel 2.6, possibly 2.6.12 and 2.6.13, in certain configurations, allows local users to cause a denial of service (crash) by triggering an mmap error before a prefault, which causes an error in the unmap_hugepage_area function.

Affected products

Linux kernel: 2.6.0-test1, 2.6.0-test10, 2.6.0-test11, 2.6.0-test2, 2.6.0-test3, 2.6.0-test4 (+53)

References

http://marc.info/?l=linux-kernel&m=112323336017157
http://secunia.com/advisories/22292
http://secunia.com/advisories/22945
http://secunia.com/advisories/25714
http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
http://www.debian.org/security/2007/dsa-1304
http://www.redhat.com/support/errata/RHSA-2006-0689.html
http://www.securityfocus.com/bid/20362
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=165345
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10976
http://marc.info/?l=linux-kernel&m=112323336017157
http://secunia.com/advisories/22292

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