CVE-2021-33098
kernel: Improper input validation in the Intel(R) Ethernet ixgbe driver may allow an authenticated user to potentially enable DoS via local access
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Improper input validation in the Intel(R) Ethernet ixgbe driver for Linux before version 3.17.3 may allow an authenticated user to potentially enable denial of service via local access.
Una comprobación de entrada inapropiada en el controlador Intel(R) Ethernet ixgbe para Linux versiones anteriores a 3.17.3, puede permitir a un usuario autenticado habilitar potencialmente una denegación de servicio por medio de un acceso local.
A flaw was found in the Linux kernel. This flaw allows an attacker who can modify the MTU of a virtualized PCIe device (in a guest, for example) to crash the host system’s kernel if they set the MTU of the VF device to an unsupported value.
*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
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-05-18 CVE Reserved
- 2021-11-17 CVE Published
- 2023-06-10 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20211210-0005 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00555.html | 2021-12-14 | |
| https://access.redhat.com/security/cve/CVE-2021-33098 | 2021-11-09 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2068236 | 2021-11-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Intel Search vendor "Intel" | Ethernet 500 Series Controllers Driver Search vendor "Intel" for product "Ethernet 500 Series Controllers Driver" | < 3.17.3 Search vendor "Intel" for product "Ethernet 500 Series Controllers Driver" and version " < 3.17.3" | linux |
Affected
| in | Intel Search vendor "Intel" | Ethernet Connection X540 Search vendor "Intel" for product "Ethernet Connection X540" | - | - |
Safe
|
| Intel Search vendor "Intel" | Ethernet 500 Series Controllers Driver Search vendor "Intel" for product "Ethernet 500 Series Controllers Driver" | < 3.17.3 Search vendor "Intel" for product "Ethernet 500 Series Controllers Driver" and version " < 3.17.3" | linux |
Affected
| in | Intel Search vendor "Intel" | Ethernet Connection X550 Search vendor "Intel" for product "Ethernet Connection X550" | - | - |
Safe
|
| Intel Search vendor "Intel" | Ethernet 500 Series Controllers Driver Search vendor "Intel" for product "Ethernet 500 Series Controllers Driver" | < 3.17.3 Search vendor "Intel" for product "Ethernet 500 Series Controllers Driver" and version " < 3.17.3" | linux |
Affected
| in | Intel Search vendor "Intel" | Ethernet Connection X557 Search vendor "Intel" for product "Ethernet Connection X557" | - | - |
Safe
|