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CVE-2006-1855

11
FAUCET Score

CVE-2006-1855 describes a denial-of-service vulnerability in the Linux kernel, specifically affecting versions prior to 2.6.11.12. A debugging code error within the "choose_new_parent" function allows local users to trigger a kernel panic by manipulating parent process termination. This vulnerability has a low severity score (CVSS 2.1) due to its local attack vector and limited impact, primarily causing system unavailability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.11.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
2.6.11.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
2.6.11.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
2.6.11.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
2.6.11.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*

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
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 61st percentile among its peer group of 2,096 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, 0.0 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-2006-1855Important

security flaw

May 18, 2006

References

bugzilla.redhat.com / bugzilla/attachment.cgi
secunia.com / advisories/20237
secunia.com / advisories/20716
secunia.com / advisories/21179
secunia.com / advisories/21745
secunia.com / advisories/22093
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11235
support.avaya.com / elmodocs2/security/ASA-2006-161.htm
debian.org / security/2006/dsa-1184
novell.com / linux/security/advisories/2006_42_kernel.html
redhat.com / support/errata/RHSA-2006-0493.html
securityfocus.com / bid/18099
ubuntu.com / usn/usn-302-1