PT-2013-3481 · Linux+3 · Linux Kernel+3

Published 2013-06-10 · Updated 2023-02-13 · CVE-2013-1943

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.0

Description The issue concerns a lack of checks in the KVM subsystem for kernel addresses during memory slot allocation for a guest's physical address space. This allows local users to potentially gain privileges or access sensitive kernel memory information by using a crafted application. The issue is related to specific files in the kernel source code.

Recommendations For Linux kernel versions prior to 3.0, update to version 3.0 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CESA-2013_0911

CVE-2013-1943

RHSA-2013:0911

RHSA-2013_0911

USN-1939-1

USN-1940-1

Affected Products

Centos

Linux Kernel

Red Hat

Suse

References · 14

• https://github.com/torvalds/linux/commit/fa3d315a4ce2c0891cdde262562e710d95fba19e · Patch
• https://cve.org/CVERecord?id=CVE-2013-1943 · Security Note
• https://linux.oracle.com/errata/ELSA-2013-0911.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1940-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2013-2534.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2013-1943 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=950490 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2013-1943 · Vendor Advisory
• http://ubuntu.com/usn/USN-1939-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1939-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2013-1943 · Vendor Advisory
• https://rhn.redhat.com/errata/RHSA-2013-0911.html · Note
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa3d315a4ce2c0891cdde262562e710d95fba19e · Note
• http://web.archive.org/web/20130329070349/http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 · Note