Home/CVE/arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel regis
CVE

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 regis

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.

LOW · CVSS 2.1 EPSS 0.00052
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

13
linux kernel< 2.6.31.4
suse linux enterprise debuginfoall versions
opensuseall versions
suse linux enterprise desktopall versions
suse linux enterprise serverall versions
suse linux enterprise software development kitall versions
canonical ubuntu linuxall versions
redhat virtualizationall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

2.1
LOW · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:P/I:N/A:N
Published to NVD20 Oct 2009 · 05:30 PM
⚑

Vendor Advisories

5
rhsaRHSA-2010:0095Important
rhsaRHSA-2010:0046Moderate
usnUSN-864-1
rhsaRHSA-2009:1540Moderate
rhsaRHSA-2009:1671Moderate
🔗

References & Sources

24
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlMailing ListThird Party Advisory
http://lkml.org/lkml/2009/10/1/164PatchThird Party Advisory
http://marc.info/?l=oss-security&m=125442304214452&w=2Third Party Advisory
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