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CVE-2006-5823

13
FAUCET Score

CVE-2006-5823 describes a denial-of-service vulnerability in the zlib_inflate function of the Linux kernel 2.6.x, allowing local users to crash the system through memory corruption caused by a malformed zlib-compressed filesystem, such as cramfs. With a CVSS score of 4.0, this vulnerability requires local access and high attack complexity, leading to a complete system availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this decade-old flaw.

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

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 40th percentile among its peer group of 1,595 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 0.1 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: kernel-0:2.4.21-50.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-42.0.8.EL
View patch

Vendor Advisories (1)

redhatCVE-2006-5823Low

security flaw

Nov 7, 2006

References

projects.info-pull.com / mokb/MOKB-07-11-2006.html
rhn.redhat.com / errata/RHSA-2007-0014.html
rhn.redhat.com / errata/RHSA-2007-0436.html
secunia.com / advisories/22767
secunia.com / advisories/23474
secunia.com / advisories/23997
secunia.com / advisories/24098
secunia.com / advisories/24206
secunia.com / advisories/24259
secunia.com / advisories/24482
secunia.com / advisories/25630
secunia.com / advisories/25691
secunia.com / advisories/29058
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10588
support.avaya.com / elmodocs2/security/ASA-2007-063.htm
debian.org / security/2008/dsa-1503
debian.org / security/2008/dsa-1504
mandriva.com / security/advisories
mandriva.com / security/advisories
novell.com / linux/security/advisories/2006_79_kernel.html
securityfocus.com / archive/1/471457
ubuntu.com / usn/usn-416-1