Vulnerability in Linux Kernel
CVE-2009-1883
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.4 (Medium). Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (25.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.9
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2009/09/15/1 (mailing-list)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9513 (signature, vdb-entry)
- www.ubuntu.com/usn/USN-852-1 (vendor-advisory)
- secunia.com/advisories/36759 (Vendor Advisory, third-party-advisory)
- bugzilla.redhat.com/show_bug.cgi (Vendor Advisory)
- www.openwall.com/lists/oss-security/2009/09/15/3 (mailing-list)
- lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html (vendor-advisory)
- www.redhat.com/support/errata/RHSA-2009-1438.html (vendor-advisory, Vendor Advisory)
- secunia.com/advisories/37105 (third-party-advisory)