CVE-2009-2910

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.

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4 broken link
http://www.redhat.com/support/errata/RHSA-2009-1671.html third party advisory vendor advisory
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
https://rhn.redhat.com/errata/RHSA-2009-1540.html third party advisory vendor advisory
http://www.ubuntu.com/usn/usn-864-1 third party advisory vendor advisory
http://secunia.com/advisories/36927 third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7359 vdb entry third party advisory signature
http://secunia.com/advisories/37351 third party advisory
http://secunia.com/advisories/37075 third party advisory
http://support.avaya.com/css/P8/documents/100073666 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2009/10/02/1 third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=526788 issue tracking third party advisory patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10823 vdb entry third party advisory signature
http://www.securityfocus.com/bid/36576 vdb entry third party advisory
http://marc.info/?l=oss-security&m=125444390112831&w=2 third party advisory mailing list
http://marc.info/?l=oss-security&m=125511635004768&w=2 third party advisory mailing list
http://marc.info/?l=oss-security&m=125442304214452&w=2 third party advisory mailing list
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html third party advisory vendor advisory
https://rhn.redhat.com/errata/RHSA-2010-0095.html third party advisory vendor advisory
https://rhn.redhat.com/errata/RHSA-2010-0046.html third party advisory vendor advisory
http://lkml.org/lkml/2009/10/1/164 mailing list third party advisory patch
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-2910?
CVE-2009-2910 has been scored as a low severity vulnerability.
How to fix CVE-2009-2910?
To fix CVE-2009-2910, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2910 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-2910 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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