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CVE-2010-3081

Date: September 24, 2010

The compat_alloc_user_space functions in include/asm/compat.h files in the Linux kernel before 2.6.36-rc4-git2 on 64-bit platforms do not properly allocate the userspace memory required for the 32-bit compatibility layer, which allows local users to gain privileges by leveraging the ability of the compat_mc_getsockopt function (aka the MCAST_MSFILTER getsockopt support) to control a certain length value, related to a "stack pointer underflow" issue, as exploited in the wild in September 2010.

Language: C

Severity Score

7.8

Related Resources (32)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2010-3081

Url: http://www.vmware.com/security/advisories/VMSA-2010-0017.html

Url: http://archives.neohapsis.com/archives/fulldisclosure/2010-09/0278.html

Url: https://access.redhat.com/security/cve/CVE-2010-3081

Url: https://nvd.nist.gov/vuln/detail/CVE-2010-3081

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2010:198

Url: http://www.securityfocus.com/archive/1/514938/30/30/threaded

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2010:214

Url: http://blog.ksplice.com/2010/09/cve-2010-3081/

Url: http://isc.sans.edu/diary.html?storyid=9574

Url: http://www.redhat.com/support/errata/RHSA-2010-0842.html

Url: http://archives.neohapsis.com/archives/fulldisclosure/2010-09/0273.html

Url: http://www.vupen.com/english/advisories/2011/0298

Url: http://marc.info/?l=oss-security&m=128461522230211&w=2

Url: http://sota.gen.nz/compat1/

Url: http://www.redhat.com/support/errata/RHSA-2010-0882.html

Url: https://access.redhat.com/kb/docs/DOC-40265

Url: http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2010:247

Url: http://www.vmware.com/security/advisories/VMSA-2011-0003.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=634457

Url: http://www.securityfocus.com/archive/1/516397/100/0/threaded

Url: http://www.vupen.com/english/advisories/2010/3117

Url: http://secunia.com/advisories/42384

Url: http://www.redhat.com/support/errata/RHSA-2010-0758.html

Url: http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html

Url: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c41d68a513c71e35a14f66d71782d27a79a81ea6

Url: http://secunia.com/advisories/43315

Url: http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html

Url: http://www.vupen.com/english/advisories/2010/3083

Url: http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log

Url: https://www.mend.io/vulnerability-database/CVE-2010-3081

Severity Score

7.8

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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CVE-2010-3081

Date: September 24, 2010

Language: C

Severity Score

Related Resources (32)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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