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Vulnerability Details : CVE-2009-2910

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.
Publish Date : 2009-10-20 Last Update Date : 2020-08-07
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Vendor Statements

Red 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/
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
2.1
AV:L/AC:L/Au:N/C:P/I:N/A:N 2009-10-01 2009-10-01
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- Related OVAL Definitions

Title Definition Id Class Family
arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel regis... oval:org.mitre.oval:def:10823 unix
CVE-2009-2910 oval:org.opensuse.security:def:20092910 unix
DEPRECATED: ELSA-2010-0046 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27615 unix
DSA-1915 linux-2.6 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:7639 unix
DSA-1915-1 linux-2.6 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:13588 unix
DSA-1928 linux-2.6.24 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:7937 unix
DSA-1928-1 linux-2.6.24 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:13351 unix
ELSA-2010:0046: kernel security and bug fix update (Important) oval:org.mitre.oval:def:22940 unix
Linux Kernel 64-bit Kernel Register Memory Leak Local Information Disclosure Vulnerability oval:org.mitre.oval:def:7359 unix
RHSA-2009:1671: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20091671 unix
RHSA-2010:0046: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21777 unix
RHSA-2010:0046: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20100046 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-2910

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 6.06 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 8.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 8.10 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 9.04 * * * Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 9.10 * * * Version Details Vulnerabilities
6 OS Fedoraproject Fedora 10 * * * Version Details Vulnerabilities
7 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
8 OS Opensuse Opensuse 11.0 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Desktop 5.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Eus 5.4 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server 5.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Workstation 5.0 * * * Version Details Vulnerabilities
13 Application Redhat Virtualization 5 * * * Version Details Vulnerabilities
14 Application Suse Linux Enterprise Debuginfo 10 SP2 * * Version Details Vulnerabilities
15 OS Suse Linux Enterprise Desktop 10 SP2 * * Version Details Vulnerabilities
16 OS Suse Linux Enterprise Server 9 * * * Version Details Vulnerabilities
17 OS Suse Linux Enterprise Server 10 SP2 * * Version Details Vulnerabilities
18 OS Suse Linux Enterprise Software Development Kit 10 SP2 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 5
Fedoraproject Fedora 1
Linux Linux Kernel 1
Opensuse Opensuse 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Eus 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Workstation 1
Redhat Virtualization 1
Suse Linux Enterprise Debuginfo 1
Suse Linux Enterprise Desktop 1
Suse Linux Enterprise Server 2
Suse Linux Enterprise Software Development Kit 1

- References For CVE-2009-2910

http://support.avaya.com/css/P8/documents/100073666 CONFIRM
http://www.redhat.com/support/errata/RHSA-2009-1671.html
REDHAT RHSA-2009:1671
https://rhn.redhat.com/errata/RHSA-2010-0046.html
REDHAT RHSA-2010:0046
https://rhn.redhat.com/errata/RHSA-2010-0095.html
REDHAT RHSA-2010:0095
http://secunia.com/advisories/37351
SECUNIA 37351
http://www.openwall.com/lists/oss-security/2009/10/02/1
MLIST [oss-security] 20091001 Re: CVE Request (kernel)
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
SUSE SUSE-SA:2009:056
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
SUSE SUSE-SA:2009:054
https://bugzilla.redhat.com/show_bug.cgi?id=526788 CONFIRM
http://lkml.org/lkml/2009/10/1/164
MLIST [linux-kernel] 20091001 [tip:x86/urgent] x86: Don't leak 64-bit kernel register values to 32-bit processes
http://marc.info/?l=oss-security&m=125511635004768&w=2
MLIST [oss-security] 20091009 Re: CVE Request (kernel)
http://www.securityfocus.com/bid/36576
BID 36576 Linux Kernel 64-bit Kernel Register Memory Leak Local Information Disclosure Vulnerability Release Date:2010-05-28
https://rhn.redhat.com/errata/RHSA-2009-1540.html
REDHAT RHSA-2009:1540
http://marc.info/?l=oss-security&m=125444390112831&w=2
MLIST [oss-security] 20091002 Re: CVE Request (kernel)
http://marc.info/?l=oss-security&m=125442304214452&w=2
MLIST [oss-security] 20091001 CVE Request (kernel)
http://secunia.com/advisories/37075
SECUNIA 37075
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commit;h=24e35800cdc4350fc34e2bed37b608a9e13ab3b6 CONFIRM
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html
FEDORA FEDORA-2009-10525
http://secunia.com/advisories/36927
SECUNIA 36927
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4 CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
SUSE SUSE-SA:2010:012
http://www.ubuntu.com/usn/usn-864-1
UBUNTU USN-864-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359
OVAL oval:org.mitre.oval:def:7359
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823
OVAL oval:org.mitre.oval:def:10823

- Metasploit Modules Related To CVE-2009-2910

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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