CVE-2009-2910
LOW severity · CVSS 2.1 · Information disclosure
2.1CVSS LOW
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
AV:L/AC:L/Au:N/C:P/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://lkml.org/lkml/2009/10/1/164 ↗
Additional information
- NVD record
- http://lkml.org/lkml/2009/10/1/164Patch
- 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.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlAdvisory
- http://marc.info/?l=oss-security&m=125442304214452&w=2Advisory
- http://marc.info/?l=oss-security&m=125444390112831&w=2Advisory
- http://marc.info/?l=oss-security&m=125511635004768&w=2Advisory