A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
Se ha encontrado un fallo de desreferencia de puntero NULL en el módulo KVM del kernel de Linux, que puede conllevar a una denegación de servicio en el archivo x86_emulate_insn en arch/x86/kvm/emulate.c. Este fallo es producido mientras es ejecutada una instrucción ilegal en el huésped en la CPU Intel
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | LOW |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | HIGH |
AV:L/AC:L/Au:N/C:N/I:N/A:P
| Access Vector | LOCAL |
|---|---|
| Access Complexity | LOW |
| Authentication | NONE |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | PARTIAL |
| Source | Type | Description |
|---|---|---|
| [email protected] | Secondary |
en
CWE-476
|
| [email protected] | Primary |
en
CWE-476
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd38551d0c0> | Operating System |
| redhat | enterprise_linux | 8.0 | <built-in method update of dict object at 0x7fd319dd7c00> | Operating System |
| redhat | enterprise_linux | 9.0 | <built-in method update of dict object at 0x7fd36b155a80> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |