CVE-2009-1883
MEDIUM · CVSS 4.4EPSS 0.3%EU EUVD
The 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.
Key facts
- CVSS score
- 4.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-264
- EPSS score
- 0.3% (28th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1878)
- Published
- September 18, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1878 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
- http://secunia.com/advisories/36759(Vendor Advisory)
- http://secunia.com/advisories/37105
- http://www.openwall.com/lists/oss-security/2009/09/15/1
- http://www.openwall.com/lists/oss-security/2009/09/15/3
- http://www.redhat.com/support/errata/RHSA-2009-1438.html(Vendor Advisory)
- http://www.ubuntu.com/usn/USN-852-1
- https://bugzilla.redhat.com/show_bug.cgi?id=505983(Vendor Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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