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CVE-2006-0557

15
FAUCET Score

CVE-2006-0557 describes a vulnerability in the sys_mbind function within the Linux kernel (versions 2.6.16 and earlier), where a lack of sanity checking on the maxnod variable could lead to unspecified impacts. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:N/I:N/A:C), this local vulnerability could result in a denial of service, but does not involve confidentiality or integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

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

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 69th percentile among its peer group of 3,048 CVEs.

Social Chatter

No social media mentions found for this CVE.

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-0:2.6.9-55.EL
View patch

Vendor Advisories (1)

redhatCVE-2006-0557Low

security flaw

Feb 17, 2006

References

lkml.org / lkml/2006/2/27/355
rhn.redhat.com / errata/RHBA-2007-0304.html
bugzilla.redhat.com / bugzilla/show_bug.cgi
secunia.com / advisories/19955
secunia.com / advisories/20398
secunia.com / advisories/20914
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/25204
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9674
usn.ubuntu.com / 281-1
debian.org / security/2006/dsa-1103
kernel.org / git
kernel.org / git
mandriva.com / security/advisories
novell.com / linux/security/advisories/2006-05-31.html
osvdb.org / 23895
securityfocus.com / bid/16924
vupen.com / english/advisories/2006/2554