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CVE-2005-4881

18
FAUCET Score

CVE-2005-4881 describes an information disclosure vulnerability in the netlink subsystem of Linux kernel versions 2.4.x before 2.4.37.6 and 2.6.x before 2.6.13-rc1. This flaw stems from uninitialized padding fields in various kernel structures, potentially allowing local users to extract sensitive information from kernel memory. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:C/I:N/A:N), it indicates a local attack vector with low complexity, leading to a complete compromise of confidentiality. There is no evidence of active exploitation, and no public exploit code exists in Metasploit, Nuclei, or ExploitDB, though it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.1:*:*:*:*:*:*:*
2.4.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.2:*:*:*:*:*:*:*
2.4.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.3:*:*:*:*:*:*:*
2.4.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.4:*:*:*:*:*:*:*
2.4.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:C/I:N/A:N

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 51st percentile among its peer group of 3,052 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-89.0.15.EL
View patch

Vendor Advisories (1)

redhatCVE-2005-4881Moderate

kernel: netlink: fix numerous padding memleaks

Jun 28, 2005

References

git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
lists.opensuse.org / opensuse-security-announce/2009-12/msg00005.html
marc.info
Patch
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/37084
secunia.com / advisories/37909
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11744
kernel.org / pub/linux/kernel/v2.4/ChangeLog-2.4.37.6
Vendor Advisory
kernel.org / pub/linux/kernel/v2.6/testing/v2.6.13/ChangeLog-2.6.13-rc1
PatchVendor Advisory
openwall.com / lists/oss-security/2009/09/05/2
Patch
openwall.com / lists/oss-security/2009/09/06/2
Patch
openwall.com / lists/oss-security/2009/09/07/2
Patch
openwall.com / lists/oss-security/2009/09/17/1
Patch
openwall.com / lists/oss-security/2009/09/17/9
Patch
redhat.com / support/errata/RHSA-2009-1522.html