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CVE-2006-0555

14
FAUCET Score

CVE-2006-0555 describes a denial-of-service vulnerability in the Linux Kernel prior to version 2.6.15.5, specifically impacting NFS clients. Local users can trigger a kernel panic through unspecified attack vectors related to O_DIRECT (direct I/O) operations. With a CVSS score of 2.1, this vulnerability is considered low severity, requiring local access and resulting only in a denial of service. There is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in the KEV catalog, indicating no active exploitation. Despite its age and low severity, it has garnered some community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:64-bit_x86:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:itanium_ia64_montecito:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:test1:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:test10:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 60th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 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-0:2.6.9-34.0.1.EL
View patch

Vendor Advisories (1)

redhatCVE-2006-0555Important

NFS client panic using O_DIRECT

Feb 27, 2006

References

kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.15.5
secunia.com / advisories/19083
secunia.com / advisories/19108
secunia.com / advisories/19220
secunia.com / advisories/20237
secunia.com / advisories/20398
secunia.com / advisories/20914
secunia.com / advisories/21745
exchange.xforce.ibmcloud.com / vulnerabilities/25000
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9932
support.avaya.com / elmodocs2/security/ASA-2006-161.htm
usn.ubuntu.com / 263-1
debian.org / security/2006/dsa-1103
mandriva.com / security/advisories
novell.com / linux/security/advisories/2006-05-31.html
redhat.com / archives/fedora-announce-list/2006-March/msg00003.html
redhat.com / support/errata/RHSA-2006-0493.html
securityfocus.com / bid/16922
vupen.com / english/advisories/2006/0804
vupen.com / english/advisories/2006/2554