CVE-2021-35039
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, does not occur for a module.sig_enforce=1 command-line argument.
El archivo kernel/module.c en el kernel de Linux versiones anteriores a 5.12.14, maneja inapropiadamente la Verificación de firmas, también se conoce como CID-0c18f29aae7c. Sin CONFIG_MODULE_SIG, la verificación de que un módulo del kernel está firmado, para cargar por medio de la función init_module, no ocurre para un argumento module.sig_enforce=1 en la línea de comandos
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-17 CVE Reserved
- 2021-07-07 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-347: Improper Verification of Cryptographic Signature
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2021/07/06/3 | Mailing List |
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| https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20210813-0004 | Third Party Advisory |
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| https://www.openwall.com/lists/oss-security/2021/07/06/3 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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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 < 4.19.196 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 4.19.196" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.4.129 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.4.129" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.5 < 5.10.47 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.47" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.11 < 5.12.14 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.12.14" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||