CVE-2009-2910

Linux Kernel < 2.6.31.4 - Information Disclosure

Title source: rule

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.

References (24)

[Patch] http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html

[Patch, Third Party Advisory] http://lkml.org/lkml/2009/10/1/164

[Third Party Advisory] http://marc.info/?l=oss-security&m=125442304214452&w=2

[Third Party Advisory] http://marc.info/?l=oss-security&m=125444390112831&w=2

[Third Party Advisory] http://marc.info/?l=oss-security&m=125511635004768&w=2

[Third Party Advisory] 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

[Broken Link] http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2009/10/02/1

[Third Party Advisory] http://www.redhat.com/support/errata/RHSA-2009-1671.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/36576

[Third Party Advisory] http://www.ubuntu.com/usn/usn-864-1

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=526788

[Third Party Advisory] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823

[Third Party Advisory] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359

... and 4 more

Scores

EPSS 0.0005

EPSS Percentile 15.9%

Classification

CWE

CWE-200

Status draft

Affected Products (18)

linux/linux_kernel < 2.6.31.4

suse/linux_enterprise_debuginfo

opensuse/opensuse

suse/linux_enterprise_desktop

suse/linux_enterprise_server

suse/linux_enterprise_server

suse/linux_enterprise_software_development_kit

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

redhat/virtualization

redhat/enterprise_linux_desktop

redhat/enterprise_linux_eus

... and 3 more

Timeline

Published Oct 20, 2009

Tracked Since Feb 18, 2026