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.
CVE-2005-4811
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 31.3%
- KEV
- Not listed
Published
December 31, 2005
Last Modified
April 16, 2026
References (20)
- cve@mitrehttp://marc.info/?l=linux-kernel&m=112323336017157
- cve@mitrehttp://secunia.com/advisories/22292
- cve@mitrehttp://secunia.com/advisories/22945
- cve@mitrehttp://secunia.com/advisories/25714
- cve@mitrehttp://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
- cve@mitrehttp://www.debian.org/security/2007/dsa-1304
- cve@mitrehttp://www.redhat.com/support/errata/RHSA-2006-0689.html
- cve@mitrehttp://www.securityfocus.com/bid/20362
- cve@mitrehttps://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=165345
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10976
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=linux-kernel&m=112323336017157
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22292
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22945
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25714
- af854a3a-2127-422b-91ae-364da2661108http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | kernel-0:2.6.9-42.0.3.EL | 2006-10-05 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 6× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-31 10:47 UTCVendor advisory
- 2026-05-31 10:47 UTCGHSA enrichment
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- 2026-05-18 21:29 UTCEPSS rescore
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Frequently asked(4)
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