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CVE-2009-1883

18
FAUCET Score

CVE-2009-1883 describes a privilege escalation vulnerability in the z90crypt driver of the Linux kernel 2.6.9. A local user with euid 0 privileges can exploit a missing capability check for the Z90QUIESCE operation to force a driver outage. With a CVSS score of 4.4 (medium severity), this vulnerability has a local attack vector, medium attack complexity, and could lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 31st percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 4Fixed in: kernel-0:2.6.9-89.0.11.EL
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-1883Moderate

kernel: missing capability check in z90crypt

Sep 15, 2009

References

lists.opensuse.org / opensuse-security-announce/2010-02/msg00007.html
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory
secunia.com / advisories/36759
Vendor Advisory
secunia.com / advisories/37105
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513
openwall.com / lists/oss-security/2009/09/15/1
openwall.com / lists/oss-security/2009/09/15/3
redhat.com / support/errata/RHSA-2009-1438.html
Vendor Advisory
ubuntu.com / usn/USN-852-1