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Vulnerability record · CVE-2010-3881 · published 23 December 2010

CVE-2010-3881: Linux kernel information exposure vulnerability

Linux · Linux Kernel

arch/x86/kvm/x86.c in the Linux kernel before 2.6.36.2 does not initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via read operations on the /dev/kvm device.

2.1 CVSS 2.0 Low EPSS 0.46% · top 62.3% CWE-200 · Information exposure
2.1CVSS 2.0 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
32References
16 Jun 2026Last modified by NVD

Description

arch/x86/kvm/x86.c in the Linux kernel before 2.6.36.2 does not initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via read operations on the /dev/kvm device.

AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=97e69aa62f8b5d338d6cff49be09e37cc1262838
http://git.kernel.org/?p=virt/kvm/kvm.git%3Ba=commit%3Bh=831d9d02f9522e739825a51a11e3bc5aa531a905
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2010/11/04/10 Mailing ListPatchThird Party Advisory
http://openwall.com/lists/oss-security/2010/11/05/4 Mailing ListPatchThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2010-0998.html Third Party Advisory
http://secunia.com/advisories/42932 Third Party Advisory
http://securitytracker.com/id?1024912 Third Party AdvisoryVDB Entry
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Release NotesVendor Advisory
http://www.securityfocus.com/bid/44666 PatchThird Party AdvisoryVDB Entry
http://www.spinics.net/lists/kvm/msg44130.html PatchThird Party Advisory
http://www.vupen.com/english/advisories/2010/3287 Permissions Required
http://www.vupen.com/english/advisories/2011/0124 Permissions Required
http://www.vupen.com/english/advisories/2011/0298 Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=649920 Issue TrackingPatchThird Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=97e69aa62f8b5d338d6cff49be09e37cc1262838
http://git.kernel.org/?p=virt/kvm/kvm.git%3Ba=commit%3Bh=831d9d02f9522e739825a51a11e3bc5aa531a905
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2010/11/04/10 Mailing ListPatchThird Party Advisory
http://openwall.com/lists/oss-security/2010/11/05/4 Mailing ListPatchThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2010-0998.html Third Party Advisory
http://secunia.com/advisories/42932 Third Party Advisory
http://securitytracker.com/id?1024912 Third Party AdvisoryVDB Entry
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Release NotesVendor Advisory
http://www.securityfocus.com/bid/44666 PatchThird Party AdvisoryVDB Entry
http://www.spinics.net/lists/kvm/msg44130.html PatchThird Party Advisory
http://www.vupen.com/english/advisories/2010/3287 Permissions Required
http://www.vupen.com/english/advisories/2011/0124 Permissions Required
http://www.vupen.com/english/advisories/2011/0298 Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=649920 Issue TrackingPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2010-3881), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.