CVE-2005-0400 json
The ext2_make_empty function call in the Linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new d…
published 2005-04-05 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0401
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
The ext2_make_empty function call in the Linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new directory entry, which allows local users to obtain potentially sensitive information by reading the block.
Patch / fix
- kernel RHEL 4 2.6.9-5.0.5.EL
- kernel-smp RHEL 4 2.6.9-5.0.5.EL
- kernel-hugemem RHEL 4 2.6.9-5.0.5.EL
- kernel RHEL 3 2.4.21-37.EL
- kernel-smp RHEL 3 2.4.21-37.EL
- kernel-BOOT RHEL 3 2.4.21-37.EL
- kernel-source RHEL 3 2.4.21-37.EL
- kernel-hugemem RHEL 3 2.4.21-37.EL
red hat advisories RHSA-2005:366RHSA-2005:663
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2005-0400 updated
security flaw
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Red Hat Desktop version 3 kernel 2.4.21-37.EL, kernel-smp 2.4.21-37.EL, kernel-BOOT 2.4.21-37.EL, kernel-source 2.4.21-37.EL, kernel-hugemem 2.4.21-37.EL, kernel-unsupported 2.4.21-37.EL, +2 more Red Hat Enterprise Linux AS version 3 kernel 2.4.21-37.EL, kernel-smp 2.4.21-37.EL, kernel-BOOT 2.4.21-37.EL, kernel-source 2.4.21-37.EL, kernel-hugemem 2.4.21-37.EL, kernel-unsupported 2.4.21-37.EL, +2 morefixed: vendor fix RHSA-2005:663
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Red Hat Enterprise Linux AS version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.EL Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.ELfixed: vendor fix RHSA-2005:366
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Red Hat Enterprise Linux ES version 2.1fixed: vendor fix RHSA-2006:0191
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Red Hat Enterprise Linux ES version 3 kernel 2.4.21-37.EL, kernel-smp 2.4.21-37.EL, kernel-BOOT 2.4.21-37.EL, kernel-source 2.4.21-37.EL, kernel-hugemem 2.4.21-37.EL, kernel-unsupported 2.4.21-37.EL, +2 morefixed: vendor fix RHSA-2005:663
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Red Hat Enterprise Linux ES version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.ELfixed: vendor fix RHSA-2005:366
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Red Hat Enterprise Linux WS version 2.1fixed: vendor fix RHSA-2006:0191
-
Red Hat Enterprise Linux WS version 3 kernel 2.4.21-37.EL, kernel-smp 2.4.21-37.EL, kernel-BOOT 2.4.21-37.EL, kernel-source 2.4.21-37.EL, kernel-hugemem 2.4.21-37.EL, kernel-unsupported 2.4.21-37.EL, +2 morefixed: vendor fix RHSA-2005:663
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Red Hat Enterprise Linux WS version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.ELfixed: vendor fix RHSA-2005:366
show 1 moreshow fewer
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Red Hat Linux Advanced Workstation 2.1fixed: vendor fix RHSA-2006:0190
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Technology feeds
References
-
redhat.com
/support/errata/RHSA-2005-366.html
vendor-advisory
-
usn.ubuntu.com
/103-1/
vendor-advisory
-
redhat.com
/support/errata/RHSA-2006-0190.html
vendor-advisory
-
bugzilla.redhat.com
/bugzilla/show_bug.cgi?id=152532
vendor-advisory
-
redhat.com
/support/errata/RHSA-2005-663.html
vendor-advisory
-
redhat.com
/support/errata/RHSA-2006-0191.html
vendor-advisory
-
arkoon.net
/advisories/ext2-make-empty-leak.txt
vendor-advisory
-
secunia.com
/advisories/18684
third-party-advisory
-
secunia.com
/advisories/14713/
third-party-advisory
-
marc.info
/?l=bugtraq&m=111238764720696&w=2
mailing-list
-
secunia.com
/advisories/17002
third-party-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10336
vdb-entry, signature
-
exchange.xforce.ibmcloud.com
/vulnerabilities/19866
vdb-entry
- kernel.org /pub/linux/kernel/v2.6/ChangeLog-2.6.11.6
-
vupen.com
/english/advisories/2005/1878
vdb-entry
-
securityfocus.com
/bid/12932
vdb-entry
Sources
- CVE List CVE-2005-0400
- NVD CVE-2005-0400
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.