PT-2012-2263 · Linux+3 · Linux Kernel+3

Stephan Bärwolf · Published 2012-01-13 · Updated 2023-02-13 · CVE-2012-0045

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.2.14

Description The issue allows guest OS users to cause a denial of service, resulting in a guest OS crash, by utilizing a crafted application. This is due to the em syscall function in arch/x86/kvm/emulate.c not properly handling the 0f05 opcode.

Recommendations For Linux kernel versions prior to 3.2.14, update to version 3.2.14 or later to resolve the issue.

Exploit

Fix

Related Identifiers

CESA-2012_0350

CVE-2012-0045

DSA-2443-1

RHSA-2012:0350

RHSA-2012:0422

RHSA-2012_0350

USN-1405-1

USN-1406-1

USN-1407-1

USN-1421-1

USN-1422-1

USN-1425-1

USN-1426-1

USN-1431-1

USN-1433-1

USN-1440-1

Affected Products

Centos

Linux Kernel

Red Hat

Suse

References · 27

• 🔥 https://github.com/torvalds/linux/commit/c2226fc9e87ba3da060e47333657cd6616652b84 · Exploit
• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=773370 · Exploit
• 🔥 https://exploit-db.com/exploits/36545 · Exploit
• 🔥 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c2226fc9e87ba3da060e47333657cd6616652b84 · Exploit
• 🔥 http://openwall.com/lists/oss-security/2012/01/12/2 · Exploit
• http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1421-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1431-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1405-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1425-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1407-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2012-0350.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1433-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-0045 · Security Note
• https://cve.org/CVERecord?id=CVE-2012-0045 · Security Note