CVE-2021-46934
i2c: validate user data in compat ioctl
Severity Score
3.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
i2c: validate user data in compat ioctl
Wrong user data may cause warning in i2c_transfer(), ex: zero msgs.
Userspace should not be able to trigger warnings, so this patch adds
validation checks for user data in compact ioctl to prevent reported
warnings
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i2c: validar datos de usuario en compat ioctl Los datos de usuario incorrectos pueden causar advertencia en i2c_transfer(), ej: cero mensajes. El espacio de usuario no deberÃa poder activar advertencias, por lo que este parche agrega comprobaciones de validación para los datos del usuario en ioctl compacto para evitar advertencias reportadas.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-02-25 CVE Reserved
- 2024-02-27 CVE Published
- 2024-02-28 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-703: Improper Check or Handling of Exceptional Conditions
- CWE-754: Improper Check for Unusual or Exceptional Conditions
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/7d5cb45655f2e9e37ef75d18f50c0072ef14a38b | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-46934 | 2024-06-05 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2266446 | 2024-06-05 |
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" | >= 4.15 < 4.19.224 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 4.19.224" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.15 < 5.4.170 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.4.170" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.15 < 5.10.90 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.10.90" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.15 < 5.15.13 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.15.13" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.15 < 5.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.16" | en |
Affected
| ||||||