PT-2012-3991 · Linux+3 · Linux Kernel+3

Ulrich Obergfell · Published 2012-05-18 · Updated 2023-02-13 · CVE-2012-2373

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.4.5

Description The issue is related to the improper use of the Page Middle Directory (PMD) when Physical Address Extension (PAE) is enabled on the x86 platform. This can lead to a denial of service (panic) via a crafted application that triggers a race condition.

Recommendations For versions prior to 3.4.5, update to version 3.4.5 or later to resolve the issue.

Fix

DoS

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CESA-2012_0743

CVE-2012-2373

RHSA-2012:0743

RHSA-2012_0743

USN-1514-1

USN-1529-1

USN-1532-1

USN-1533-1

USN-1539-1

Affected Products

Centos

Linux Kernel

Red Hat

Suse

References · 19

• https://github.com/torvalds/linux/commit/26c191788f18129af0eb32a358cdaea0c7479626 · Patch
• http://ubuntu.com/usn/usn-1529-1 · Vendor Advisory
• http://marc.info/?l=bugtraq&m=139447903326211&w=2 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2012-0743.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1533-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1539-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2012-0743.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1514-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2012-2373 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-2373 · Security Note
• https://cve.org/CVERecord?id=CVE-2012-2373 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2012-2373 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1532-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1529-1 · Vendor Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26c191788f18129af0eb32a358cdaea0c7479626 · Note