← Back to CVEs
CVE-2021-47070
MEDIUM5.5
Description
In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbus_free_ring()' call. Note that it is already freed in the .remove function.
CVE Details
CVSS v3.1 Score5.5
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
Published3/1/2024
Last Modified11/3/2025
Sourcenvd
Honeypot Sightings0
Affected Products
linux:linux_kernel
Weaknesses (CWE)
CWE-401
References
https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/261bbd90cc53d2835343f056770156cf1e82cf03(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df(af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.