Vulnerability Details : CVE-2021-47021
In the Linux kernel, the following vulnerability has been resolved:
mt76: mt7915: fix memleak when mt7915_unregister_device()
mt7915_tx_token_put() should get call before mt76_free_pending_txwi().
Products affected by CVE-2021-47021
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47021
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47021
| 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 | 2024-12-09 |
CWE ids for CVE-2021-47021
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47021
-
https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52
mt76: mt7915: fix memleak when mt7915_unregister_device() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364
mt76: mt7915: fix memleak when mt7915_unregister_device() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4
mt76: mt7915: fix memleak when mt7915_unregister_device() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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