Vulnerability Details : CVE-2021-47601
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.
Products affected by CVE-2021-47601
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47601
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47601
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-08-27 |
CWE ids for CVE-2021-47601
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47601
-
https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442
tee: amdtee: fix an IS_ERR() vs NULL bug - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1
tee: amdtee: fix an IS_ERR() vs NULL bug - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6
tee: amdtee: fix an IS_ERR() vs NULL bug - kernel/git/stable/linux.git - Linux kernel stable treePatch
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