kernel: missing capability check in z90crypt
Published Sep 18, 2009
4.4
MEDIUMCVSS 2.0
EPSS 0.34%
Description
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.
Affected products
No data.
- 2.6.9
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-89.0.11.EL
Fixed · RHSA-2009:1438
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-89.0.11.EL | Fixed | RHSA-2009:1438 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect kernel packages as shipped in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 1.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00342) | 25.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00342) | 25.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00077) | 20.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/36759 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/37105 third-party-advisoryx_refsource_SECUNIA
- http://www.openwall.com/lists/oss-security/2009/09/15/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2009/09/15/3 mailing-listx_refsource_MLIST
- http://www.redhat.com/support/errata/RHSA-2009-1438.html vendor-advisoryx_refsource_REDHATVendor Advisory
- http://www.ubuntu.com/usn/USN-852-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2009-1883 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=505983 x_refsource_CONFIRMVendor AdvisoryIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-1883
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-1883
Change history (0)
No recorded changes yet.