CVE-2009-2910

Name: CVE-2009-2910
Creator: NVD / NIST
Published: 2009-10-20T17:30:00.907+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.41%

Last modified Jun 16, 2026

CVE-2009-2910 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.41%

33.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	< 2.6.31.4	—
Suse	Linux Enterprise Debuginfo	10	Sp2
Opensuse	Opensuse	11.0	—
Suse	Linux Enterprise Desktop	10	Sp2
Suse	Linux Enterprise Server	9	—
Suse	Linux Enterprise Server	10	Sp2
Suse	Linux Enterprise Software Development Kit	10	Sp2
Canonical	Ubuntu Linux	6.06	—
Canonical	Ubuntu Linux	8.04	—
Canonical	Ubuntu Linux	8.10	—
Canonical	Ubuntu Linux	9.04	—
Canonical	Ubuntu Linux	9.10	—
Redhat	Virtualization	5	—
Redhat	Enterprise Linux Desktop	5.0	—
Redhat	Enterprise Linux Eus	5.4	—
Redhat	Enterprise Linux Server	5.0	—
Redhat	Enterprise Linux Workstation	5.0	—
Fedoraproject	Fedora	10	—

References

http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlMailing List, Third Party Advisory
http://lkml.org/lkml/2009/10/1/164Patch, Third Party Advisory
http://marc.info/?l=oss-security&m=125442304214452&w=2Third Party Advisory
http://marc.info/?l=oss-security&m=125444390112831&w=2Third Party Advisory
http://marc.info/?l=oss-security&m=125511635004768&w=2Third Party Advisory
http://secunia.com/advisories/36927Third Party Advisory
http://secunia.com/advisories/37075Third Party Advisory
http://secunia.com/advisories/37351Third Party Advisory
http://support.avaya.com/css/P8/documents/100073666Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4Broken Link
http://www.openwall.com/lists/oss-security/2009/10/02/1Mailing List, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1671.htmlThird Party Advisory
http://www.securityfocus.com/bid/36576Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/usn-864-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=526788Issue Tracking, Patch, Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359Third Party Advisory
https://rhn.redhat.com/errata/RHSA-2009-1540.htmlThird Party Advisory
https://rhn.redhat.com/errata/RHSA-2010-0046.htmlThird Party Advisory
https://rhn.redhat.com/errata/RHSA-2010-0095.htmlThird Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.htmlThird Party Advisory
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlMailing List, Third Party Advisory
http://lkml.org/lkml/2009/10/1/164Patch, Third Party Advisory
http://marc.info/?l=oss-security&m=125442304214452&w=2Third Party Advisory
http://marc.info/?l=oss-security&m=125444390112831&w=2Third Party Advisory
http://marc.info/?l=oss-security&m=125511635004768&w=2Third Party Advisory
http://secunia.com/advisories/36927Third Party Advisory
http://secunia.com/advisories/37075Third Party Advisory
http://secunia.com/advisories/37351Third Party Advisory
http://support.avaya.com/css/P8/documents/100073666Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4Broken Link
http://www.openwall.com/lists/oss-security/2009/10/02/1Mailing List, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1671.htmlThird Party Advisory
http://www.securityfocus.com/bid/36576Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/usn-864-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=526788Issue Tracking, Patch, Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359Third Party Advisory
https://rhn.redhat.com/errata/RHSA-2009-1540.htmlThird Party Advisory
https://rhn.redhat.com/errata/RHSA-2010-0046.htmlThird Party Advisory
https://rhn.redhat.com/errata/RHSA-2010-0095.htmlThird Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.htmlThird Party Advisory

Timeline

Published: Oct 20, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-2910?

How severe is CVE-2009-2910?

Severity scoring for CVE-2009-2910 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2910?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2910?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST