Vulnerability Details : CVE-2021-47489
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix even more out of bound writes from debugfs
CVE-2021-42327 was fixed by:
commit f23750b5b3d98653b31d4469592935ef6364ad67
Author: Thelford Williams <tdwilliamsiv@gmail.com>
Date: Wed Oct 13 16:04:13 2021 -0400
drm/amdgpu: fix out of bounds write
but amdgpu_dm_debugfs.c contains more of the same issue so fix the
remaining ones.
v2:
* Add missing fix in dp_max_bpc_write (Harry Wentland)
Products affected by CVE-2021-47489
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47489
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47489
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2025-01-06 |
CWE ids for CVE-2021-47489
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47489
-
https://git.kernel.org/stable/c/9eb4bdd554fc31a5ef6bf645a20ff21618ce45a9
drm/amdgpu: Fix even more out of bound writes from debugfs - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/3f4e54bd312d3dafb59daf2b97ffa08abebe60f5
drm/amdgpu: Fix even more out of bound writes from debugfs - kernel/git/stable/linux.git - Linux kernel stable treePatch
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