What is CVE-2009-1758?

CVE-2009-1758 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10. CVE-2009-1758 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-1758?

CVE-2009-1758 has a CVSS score of 5.0 out of 10, rated Medium severity. The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:P.

Is there a patch available for CVE-2009-1758?

No patch is currently available for CVE-2009-1758. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-1758 actively exploited?

CVE-2009-1758 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2009-1758

Medium

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."

Package Linux Kernel

Published 2009-05-22

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

5.0

out of 10

Medium

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

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

Weakness type

CWE-399

CVE-2009-1758 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2009-1758 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.xensource.com/archives/html/xen-devel/2009-05/msg00561.html

Exploit
Secunia
http://secunia.com/advisories/35093
Secunia
http://secunia.com/advisories/35298
Debian Security
http://www.debian.org/security/2009/dsa-1809
Openwall
http://www.openwall.com/lists/oss-security/2009/05/14/2
Securityfocus
http://www.securityfocus.com/bid/34957
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10313

Details

CVE ID CVE-2009-1758

Severity Medium

CVSS score 5.0 / 10

CVSS version 2.0

Published 2009-05-22

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-1758?

CVE-2009-1758 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10 . CVE-2009-1758 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-1758?

CVE-2009-1758 has a CVSS score of 5.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:P.
Is there a patch available for CVE-2009-1758?

No patch is currently available for CVE-2009-1758. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-1758 actively exploited?

No — CVE-2009-1758 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.