CVE-2021-47601
tee: amdtee: fix an IS_ERR() vs NULL bug
Severity Score
5.5
*CVSS v3
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: tee: amdtee: fix an IS_ERR() vs NULL bug The __get_free_pages() function does not return error pointers it returns
NULL so fix this condition to avoid a NULL dereference.
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tee: amdtee: corrige un error IS_ERR() vs NULL La función __get_free_pages() no devuelve punteros de error, devuelve NULL, así que corrija esta condición para evitar una desreferencia a NULL.
In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix an IS_ERR() vs NULL bug The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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Attack Vector
Attack Complexity
Authentication
Confidentiality
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* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-05-24 CVE Reserved
- 2024-06-19 CVE Published
- 2024-12-19 CVE Updated
- 2025-03-19 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/757cc3e9ff1d72d014096399d6e2bf03974d9da1 | Vuln. Introduced |
| 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" | >= 5.6 < 5.10.88 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.10.88" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.6 < 5.15.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.15.11" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.6 < 5.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.16" | en |
Affected
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