CVE-2021-47021
MEDIUMCVSS 5.5/10EPSS 0.24%
Last modified
CVE-2021-47021 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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().. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
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().
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.11.4, < 5.11.21 |
| Linux | Linux Kernel | >= 5.12, < 5.12.4 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is 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().
How severe is CVE-2021-47021?
CVE-2021-47021 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2021-47021?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-47021?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST