CVE-2010-3881

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.

Published: 2010-12-23 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-3881 is rated Low Risk (18.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.06%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-3881

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2024-12-17 0.04% 0.06% +0.02%
2 2023-03-07 1.55% 0.04% -1.50%
3 2022-02-04 — 1.55% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-3881

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2010-3881

OS Trackers for CVE-2010-3881

vendor priority summary link
redhat low — https://access.redhat.com/security/cve/CVE-2010-3881
suse medium CVE-2010-3881 severity moderate: SUSE including 118 source package names (brocade-bna-kmp-rt-2.1.0.0_2.6.33.18_rt31_0.3-0.2.24, btrfs-kmp-default-0_2.6.32.27_0.2-0.3.29, …), 389 product×package rows across 66 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (66 product lines)): Known Not Affected 286, Fixed 103. https://www.suse.com/security/cve/CVE-2010-3881/
ubuntu low CVE-2010-3881 low priority: Ubuntu including 8 source packages (linux, linux-ec2, …), 54 status rows across 7 suites (dapper, hardy, karmic, lucid, maverick, natty, upstream): DNE 28, not-affected 11, released 10, needs-triage 3, ignored 2. https://ubuntu.com/security/CVE-2010-3881

Affected software / configurations for CVE-2010-3881

Vendor Product Version Raw CPE
linux linux_kernel < 2.6.36.2 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
suse suse_linux_enterprise_desktop 11 cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp1:*:*:*:*:*:*
suse suse_linux_enterprise_high_availability_extension 11 cpe:2.3:o:suse:suse_linux_enterprise_high_availability_extension:11:sp1:*:*:*:*:*:*
suse suse_linux_enterprise_server 11 cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp1:*:*:*:*:*:*

References for CVE-2010-3881

URL Tags
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 List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2010/11/04/10 Mailing List Patch Third Party Advisory
http://openwall.com/lists/oss-security/2010/11/05/4 Mailing List Patch Third 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 Advisory VDB Entry
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Release Notes Vendor Advisory
http://www.securityfocus.com/bid/44666 Patch Third Party Advisory VDB Entry
http://www.spinics.net/lists/kvm/msg44130.html Patch Third 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 Tracking Patch Third Party Advisory
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