kernel: xen: local denial of service
Published May 22, 2009
5.0
MEDIUMCVSS 2.0
EPSS 2.16%
Description
The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in "certain address ranges."
Affected products
No data.
Running on/with
- 2.6.18
- 2.6.30
- ≤ 3.3.1
- 2.0
- 3.0.2
- 3.0.3
- 3.0.4
- 3.1.2
- 3.1.3
- 3.1.4
- 3.2
- 3.2.0
- 3.2.1
- 3.2.2
- 3.2.3
- 3.3.0
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-89.0.3.EL
Fixed · RHSA-2009:1132
Red Hat Enterprise Linux 5
kernel-0:2.6.18-128.1.14.el5
Fixed · RHSA-2009:1106
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-89.0.3.EL | Fixed | RHSA-2009:1132 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-128.1.14.el5 | Fixed | RHSA-2009:1106 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, and Red Hat Enterprise MRG.
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:N/AC:L/Au:N/C:N/I:N/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 2, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.16% (0.02158) | 81.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.16% (0.02158) | 79.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.67% (0.00674) | 69.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00116) | 46.93th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.12% (0.00116) | 45.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (11)
- http://lists.xensource.com/archives/html/xen-devel/2009-05/msg00561.html mailing-listx_refsource_MLISTExploit
- http://secunia.com/advisories/35093 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35298 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2009/dsa-1809 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2009/05/14/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/34957 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2009-1758 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=500945 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-1758
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10313 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-1758
| Link | Providers | Tags |
|---|---|---|
| http://lists.xensource.com/archives/html/xen-devel/2009-05/msg00561.html | mailing-listx_refsource_MLISTExploit | |
| http://secunia.com/advisories/35093 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/35298 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2009/dsa-1809 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2009/05/14/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/34957 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2009-1758 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=500945 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-1758 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10313 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2009-1758 |
Change history (0)
No recorded changes yet.