What is CVE-2009-2910?

CVE-2009-2910 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2009-2910 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-2910?

CVE-2009-2910 has a CVSS score of 2.1 out of 10, rated Low severity. The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2009-2910?

No patch is currently available for CVE-2009-2910. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-2910 actively exploited?

CVE-2009-2910 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2009-2910

Low

arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.

Package Linux Kernel

Published 2009-10-20

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

2.1

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-200

CVE-2009-2910 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2009-2910 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html

Mailing List Third Party Advisory
Marc
http://marc.info/?l=oss-security&m=125442304214452&w=2

Third Party Advisory
Marc
http://marc.info/?l=oss-security&m=125444390112831&w=2

Third Party Advisory
Marc
http://marc.info/?l=oss-security&m=125511635004768&w=2

Third Party Advisory
Secunia
http://secunia.com/advisories/36927

Third Party Advisory
Secunia
http://secunia.com/advisories/37075

Third Party Advisory
Secunia
http://secunia.com/advisories/37351

Third Party Advisory
Support
http://support.avaya.com/css/P8/documents/100073666

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4

Broken Link
Openwall
http://www.openwall.com/lists/oss-security/2009/10/02/1

Mailing List Third Party Advisory
Red Hat
http://www.redhat.com/support/errata/RHSA-2009-1671.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/36576

Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/usn-864-1

Third Party Advisory
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823

Third Party Advisory
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1540.html

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2010-0046.html

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2010-0095.html

Third Party Advisory
Red Hat
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
Patch
Kernel patch commit
http://lkml.org/lkml/2009/10/1/164
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=526788
Patch

Details

CVE ID CVE-2009-2910

Severity Low

CVSS score 2.1 / 10

CVSS version 2.0

Published 2009-10-20

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-2910?

CVE-2009-2910 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2009-2910 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-2910?

CVE-2009-2910 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2009-2910?

No patch is currently available for CVE-2009-2910. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-2910 actively exploited?

No — CVE-2009-2910 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →