CVE-2009-2910

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Summary

CVECVE-2009-2910
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-10-20 17:30:00 UTC
Updated2026-04-23 00:35:47 UTC
Descriptionarch/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.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

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

Problem Types: CWE-200 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 6.06 All All All
Operating System Canonical Ubuntu Linux 8.04 All All All
Operating System Canonical Ubuntu Linux 8.10 All All All
Operating System Canonical Ubuntu Linux 9.04 All All All
Operating System Canonical Ubuntu Linux 9.10 All All All
Operating System Fedoraproject Fedora 10 All All All
Operating System Linux Linux Kernel All All All All
Operating System Opensuse Opensuse 11.0 All All All
Operating System Redhat Enterprise Linux Desktop 5.0 All All All
Operating System Redhat Enterprise Linux Eus 5.4 All All All
Operating System Redhat Enterprise Linux Server 5.0 All All All
Operating System Redhat Enterprise Linux Workstation 5.0 All All All
Application Redhat Virtualization 5 All All All
Application Suse Linux Enterprise Debuginfo 10 sp2 All All
Operating System Suse Linux Enterprise Desktop 10 sp2 All All
Operating System Suse Linux Enterprise Server 10 sp2 All All
Operating System Suse Linux Enterprise Server 9 All All All
Operating System Suse Linux Enterprise Software Development Kit 10 sp2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Fedora update for kernel - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Third Party Advisory
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
LKML: tip-bot for Jan Beulich: [tip:x86/urgent] x86: Don't leak 64-bit kernel register values to 32-bit processes af854a3a-2127-422b-91ae-364da2661108 lkml.org Patch, Third Party Advisory
'Re: [oss-security] CVE Request (kernel)' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Third Party Advisory
SUSE update for kernel - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Linux Kernel 64bit Kernel Register Value Leak - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
USN-864-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
526788 – (CVE-2009-2910) CVE-2009-2910 kernel: x86_64 32 bit process register leak af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
404: File not found af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Broken Link
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 10 Update: kernel-2.6.27.37-170.2.104.fc10 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Third Party Advisory
'[oss-security] CVE Request (kernel)' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
git.kernel.org af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
'Re: [oss-security] CVE Request (kernel)' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Third Party Advisory
Linux Kernel 64-bit Kernel Register Memory Leak Local Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
ASA-2010-026 (RHSA-2010-0046) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com Third Party Advisory
oss-security - Re: CVE Request (kernel) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Third Party Advisory
CONFIRM:http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commit;h=24e35800cdc4350fc34e2bed37b608a9e13ab3b6 MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2010-01-21Tomas HogerRed Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-2910 It has been rated as having moderate security impact. It was addressed in Red Hat Enterprise Linux 4, 5 and Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-1671.html , https://rhn.redhat.com/errata/RHSA-2010-0046.html and https://rhn.redhat.com/errata/RHSA-2009-1540.html respectively. This issue is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important and critical impact are addressed. For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/

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