Vulnerability Monitor

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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.

Published

2009-10-20T17:30:00.907

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.31.4	Yes
Application	suse	linux_enterprise_debuginfo	10	Yes
Operating System	opensuse	opensuse	11.0	Yes
Operating System	suse	linux_enterprise_desktop	10	Yes
Operating System	suse	linux_enterprise_server	9	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_software_development_kit	10	Yes
Operating System	canonical	ubuntu_linux	6.06	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes
Operating System	canonical	ubuntu_linux	8.10	Yes
Operating System	canonical	ubuntu_linux	9.04	Yes
Operating System	canonical	ubuntu_linux	9.10	Yes
Application	redhat	virtualization	5	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_eus	5.4	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes
Operating System	fedoraproject	fedora	10	Yes

References

http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lkml.org/lkml/2009/10/1/164 Patch, Third Party Advisory ([email protected])
http://marc.info/?l=oss-security&m=125442304214452&w=2 Third Party Advisory ([email protected])
http://marc.info/?l=oss-security&m=125444390112831&w=2 Third Party Advisory ([email protected])
http://marc.info/?l=oss-security&m=125511635004768&w=2 Third Party Advisory ([email protected])
http://secunia.com/advisories/36927 Third Party Advisory ([email protected])
http://secunia.com/advisories/37075 Third Party Advisory ([email protected])
http://secunia.com/advisories/37351 Third Party Advisory ([email protected])
http://support.avaya.com/css/P8/documents/100073666 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4 Broken Link ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/02/1 Mailing List, Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2009-1671.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/36576 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=526788 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823 Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359 Third Party Advisory ([email protected])
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory ([email protected])
https://rhn.redhat.com/errata/RHSA-2010-0046.html Third Party Advisory ([email protected])
https://rhn.redhat.com/errata/RHSA-2010-0095.html Third Party Advisory ([email protected])
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lkml.org/lkml/2009/10/1/164 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=oss-security&m=125442304214452&w=2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=oss-security&m=125444390112831&w=2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=oss-security&m=125511635004768&w=2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/36927 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37075 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37351 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.avaya.com/css/P8/documents/100073666 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/02/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2009-1671.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/36576 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=526788 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://rhn.redhat.com/errata/RHSA-2010-0046.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://rhn.redhat.com/errata/RHSA-2010-0095.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)