Vulnerability Details : CVE-2021-47422
In the Linux kernel, the following vulnerability has been resolved:
drm/nouveau/kms/nv50-: fix file release memory leak
When using single_open() for opening, single_release() should be
called, otherwise the 'op' allocated in single_open() will be leaked.
Products affected by CVE-2021-47422
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47422
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 9 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47422
| 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 | 2024-12-30 |
CWE ids for CVE-2021-47422
-
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47422
-
https://git.kernel.org/stable/c/0b4e9fc14973a94ac0520f19b3633493ae13c912
drm/nouveau/kms/nv50-: fix file release memory leak - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/65fff0a8efcdca8d84ffe3e23057c3b32403482d
drm/nouveau/kms/nv50-: fix file release memory leak - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5
drm/nouveau/kms/nv50-: fix file release memory leak - kernel/git/stable/linux.git - Linux kernel stable treePatch
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