CVE-2009-1883

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Summary

CVECVE-2009-1883
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-09-18 10:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Risk And Classification

Primary CVSS: v2.0 4.4 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 2.6.9 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Red Hat update for kernel - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Vendor Advisory
Ubuntu update for kernel - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
USN-852-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
505983 – (CVE-2009-1883) CVE-2009-1883 kernel: missing capability check in z90crypt af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Vendor Advisory
oss-security - CVE-2009-1883 kernel: missing capability check in z90crypt af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
oss-security - Re: CVE-2009-1883 kernel: missing capability check in z90crypt af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2009-09-22Tomas HogerThis issue did not affect kernel packages as shipped in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 1. It was addressed in Red Hat Enterprise Linux 4 via https://rhn.redhat.com/errata/RHSA-2009-1438.html . This issue has been rated as having moderate security impact. It is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important or critical impact are addressed. For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/

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