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CVE-2006-5755

15
FAUCET Score

CVE-2006-5755 describes a denial-of-service vulnerability in the Linux kernel prior to version 2.6.18, specifically impacting x86_64 systems. The flaw stems from improper saving and restoring of EFLAGS during context switches, allowing a local user to trigger a system crash. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:N/I:N/A:C), this vulnerability is considered low severity, requiring local access and resulting only in a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 58th percentile among its peer group of 3,052 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 5Fixed in: kernel-0:2.6.18-92.1.18.el5
View patch

Vendor Advisories (1)

redhatCVE-2006-5755Low

kernel: local denial of service due to NT bit leakage

Sep 26, 2006

References

git.kernel.org
kernel.org / git
secunia.com / advisories/24098
secunia.com / advisories/25691
secunia.com / advisories/26620
secunia.com / advisories/26994
secunia.com / advisories/32485
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554
debian.org / security/2007/dsa-1381
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.18
kernel.org / pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.log
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2008-0957.html
securityfocus.com / archive/1/471457
securityfocus.com / bid/26060
ubuntu.com / usn/usn-416-1