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.
Key facts
- CVSS score
- 2.1 (v2.0)
- Severity
- LOW
- CVSS vector
AV:L/AC:L/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-200
- EPSS score
- 0.4% (34th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2898)
- Published
- October 20, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2898 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- fedoraproject / fedora
- linux / linux kernel
- opensuse / opensuse
- redhat / enterprise linux desktop
- redhat / enterprise linux eus
- redhat / enterprise linux server
- redhat / enterprise linux workstation
- redhat / virtualization
- suse / linux enterprise debuginfo
- suse / linux enterprise desktop
- suse / linux enterprise server
- suse / linux enterprise server
- suse / linux enterprise software development kit
Certified products that may be affected
3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
- SUSE Linux Enterprise Server Version 9 with Service Pack 2, ProPack 4 for Service Pack 2 and certification-sles-sgi-eal3 package - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0292-2005 - archived
- SuSE Linux Enterprise Server Version 9 with certification-sles-ibm-eal4 package - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0256-2005 - archived
References
- http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
- 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(Mailing List, Third Party Advisory)
- http://lkml.org/lkml/2009/10/1/164(Patch, 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(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, Third Party Advisory)
- http://www.redhat.com/support/errata/RHSA-2009-1671.html(Third Party Advisory)
- http://www.securityfocus.com/bid/36576(Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/usn-864-1(Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=526788(Issue Tracking, Patch, 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(Third Party Advisory)
- https://rhn.redhat.com/errata/RHSA-2009-1540.html(Third Party Advisory)
- https://rhn.redhat.com/errata/RHSA-2010-0046.html(Third Party Advisory)
- https://rhn.redhat.com/errata/RHSA-2010-0095.html(Third Party Advisory)
- https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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