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CVE-2013-1943

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Date: July 16, 2013

The KVM subsystem in the Linux kernel before 3.0 does not check whether kernel addresses are specified during allocation of memory slots for use in a guest's physical address space, which allows local users to gain privileges or obtain sensitive information from kernel memory via a crafted application, related to arch/x86/kvm/paging_tmpl.h and virt/kvm/kvm_main.c.

Language: C

Severity Score

Related Resources (9)

https://bugzilla.redhat.com/show_bug.cgi?id=950490
https://access.redhat.com/security/cve/CVE-2013-1943
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-1943
http://web.archive.org/web/20130329070349/http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa3d315a4ce2c0891cdde262562e710d95fba19e
https://nvd.nist.gov/vuln/detail/CVE-2013-1943
https://github.com/torvalds/linux/commit/fa3d315a4ce2c0891cdde262562e710d95fba19e
http://www.ubuntu.com/usn/USN-1939-1
https://www.mend.io/vulnerability-database/CVE-2013-1943

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

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

CVSS v2

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

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