CVE-2009-2910

kernel: x86_64 32 bit process register leak

Severity Score

2.1

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

arch/x86/ia32/ia32entry.S en el kernel de Linux anteriores a v2.6.31.4 en plataformas x86_64 no limpia adecuadamente ciertos registros del kernel antes de regresar al modo usuario, lo que permite a usuarios locales leer valores del registro desde un proceso anterior mediante el cambio de un proceso ia32 al modo 64-bit

*Credits: N/A

CVSS Scores

NISTv2 2.1

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-08-20 CVE Reserved
2009-10-20 CVE Published
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (25)

URL	Tag	Source
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6	X_refsource_confirm
http://marc.info/?l=oss-security&m=125442304214452&w=2	Mailing List
http://marc.info/?l=oss-security&m=125444390112831&w=2	Mailing List
http://marc.info/?l=oss-security&m=125511635004768&w=2	Mailing List
http://secunia.com/advisories/36927	Third Party Advisory
http://secunia.com/advisories/37075	Third Party Advisory
http://secunia.com/advisories/37351	Third Party Advisory
http://support.avaya.com/css/P8/documents/100073666	Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4	Broken Link
http://www.openwall.com/lists/oss-security/2009/10/02/1	Mailing List
http://www.securityfocus.com/bid/36576	Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823	Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359	Signature

URL	Date	SRC

URL	Date	SRC
http://lkml.org/lkml/2009/10/1/164	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=526788	2010-01-19

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html	2023-02-13
http://www.redhat.com/support/errata/RHSA-2009-1671.html	2023-02-13
http://www.ubuntu.com/usn/usn-864-1	2023-02-13
https://rhn.redhat.com/errata/RHSA-2009-1540.html	2023-02-13
https://rhn.redhat.com/errata/RHSA-2010-0046.html	2023-02-13
https://rhn.redhat.com/errata/RHSA-2010-0095.html	2023-02-13
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html	2023-02-13
https://access.redhat.com/security/cve/CVE-2009-2910	2010-01-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 2.6.31.4 Search vendor "Linux" for product "Linux Kernel" and version " < 2.6.31.4"		-		Affected
Suse Search vendor "Suse"		Linux Enterprise Debuginfo Search vendor "Suse" for product "Linux Enterprise Debuginfo"				10 Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "10"		sp2		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				11.0 Search vendor "Opensuse" for product "Opensuse" and version "11.0"		-		Affected
Suse Search vendor "Suse"		Linux Enterprise Desktop Search vendor "Suse" for product "Linux Enterprise Desktop"				10 Search vendor "Suse" for product "Linux Enterprise Desktop" and version "10"		sp2		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				9 Search vendor "Suse" for product "Linux Enterprise Server" and version "9"		-		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				10 Search vendor "Suse" for product "Linux Enterprise Server" and version "10"		sp2		Affected
Suse Search vendor "Suse"		Linux Enterprise Software Development Kit Search vendor "Suse" for product "Linux Enterprise Software Development Kit"				10 Search vendor "Suse" for product "Linux Enterprise Software Development Kit" and version "10"		sp2		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				6.06 Search vendor "Canonical" for product "Ubuntu Linux" and version "6.06"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				9.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "9.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				9.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "9.10"		-		Affected
Redhat Search vendor "Redhat"		Virtualization Search vendor "Redhat" for product "Virtualization"				5 Search vendor "Redhat" for product "Virtualization" and version "5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				5.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				5.4 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "5.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				5.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "5.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				5.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "5.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				10 Search vendor "Fedoraproject" for product "Fedora" and version "10"		-		Affected