CVE-2021-47287
Advisory lineage Upstream: 0 Downstream: 3
Analyzed
Published: 21 May 2024, 14:34
Last modified:11 May 2026, 13:51
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
21 May 2024, 14:34
Published
Vulnerability first disclosed
11 May 2026, 13:51
Last Modified
Vulnerability information updated
Description
In the Linux kernel, the following vulnerability has been resolved: driver core: auxiliary bus: Fix memory leak when driver_register() fail If driver_register() returns with error we need to free the memory allocated for auxdrv->driver.name before returning from __auxiliary_driver_register()
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.01%• Percentile: 3%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- linux•linux
≥ 7de3697e9cbd4bd3d62bafa249d57990e1b8f294, < ce5b3de58fc21303722df46551f7eb9a91afb409 | ≥ 7de3697e9cbd4bd3d62bafa249d57990e1b8f294, < 4afa0c22eed33cfe0c590742387f0d16f32412f3 | 5.11
- linux•linux_kernel
≥ 5.11, < 5.13.6 | 5.14:rc1 | 5.14:rc2