CVE-2012-4461
kernel: kvm: invalid opcode oops on SET_SREGS with OSXSAVE bit set
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service (kernel OOPS) by using the KVM_SET_SREGS ioctl to set the X86_CR4_OSXSAVE bit in the guest cr4 register, then calling the KVM_RUN ioctl.
El subsistema de KVM en el kernel de Linux antes de v3.6.9, cuando se ejecuta en máquinas que utilizan el espacio de usuario qemu sin XSAVE, permite a usuarios locales provocar una denegación de servicio (kernel oops) mediante la KVM_SET_SREGS ioctl para establecer el bit X86_CR4_OSXSAVE en el huésped registro cr4 , y luego llamar a la KVM_RUN ioctl.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2012-08-21 CVE Reserved
- 2013-01-15 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742 | X_refsource_misc | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 | X_refsource_confirm | |
| http://secunia.com/advisories/51160 | Third Party Advisory | |
| http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9 | X_refsource_confirm | |
| http://www.openwall.com/lists/oss-security/2012/11/06/14 | Mailing List |
|
| http://www.securityfocus.com/bid/56414 | Vdb Entry |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 3.6.8 Search vendor "Linux" for product "Linux Kernel" and version " <= 3.6.8" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6 Search vendor "Linux" for product "Linux Kernel" and version "3.6" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.1 Search vendor "Linux" for product "Linux Kernel" and version "3.6.1" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.2 Search vendor "Linux" for product "Linux Kernel" and version "3.6.2" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.3 Search vendor "Linux" for product "Linux Kernel" and version "3.6.3" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.4 Search vendor "Linux" for product "Linux Kernel" and version "3.6.4" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.5 Search vendor "Linux" for product "Linux Kernel" and version "3.6.5" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.6 Search vendor "Linux" for product "Linux Kernel" and version "3.6.6" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.6.7 Search vendor "Linux" for product "Linux Kernel" and version "3.6.7" | - |
Affected
| ||||||