CVE-2021-46962

MEDIUM

Linux Kernel 4.20-5.4.118 - Resource Leak in MMC Uniphier-SD Remove Function

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: uniphier-sd: Fix a resource leak in the remove function A 'tmio_mmc_host_free()' call is missing in the remove function, in order to balance a 'tmio_mmc_host_alloc()' call in the probe. This is done in the error handling path of the probe, but not in the remove function. Add the missing call.

References (5)

Core 5

Core References

Patch

https://git.kernel.org/stable/c/0d8941b9b2d3e7b3481fdf43b1a6189d162175b7

Patch

https://git.kernel.org/stable/c/25ac6ce65f1ab458982d15ec1caf441acd37106a

Patch

https://git.kernel.org/stable/c/ebe0f12cf4c044f812c6d17011531582f9ac8bb3

Patch

https://git.kernel.org/stable/c/d6e7fda496978f2763413b5523557b38dc2bf6c2

Patch

https://git.kernel.org/stable/c/e29c84857e2d51aa017ce04284b962742fb97d9e

Scores

CVSS v3 5.5

EPSS 0.0023

EPSS Percentile 13.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (13)

Linux/Linux < 4.20

Linux/Linux 3fd784f745dd1747863775a99ec749619ee6759c - 0d8941b9b2d3e7b3481fdf43b1a6189d162175b7

Linux/Linux 3fd784f745dd1747863775a99ec749619ee6759c - 25ac6ce65f1ab458982d15ec1caf441acd37106a

Linux/Linux 3fd784f745dd1747863775a99ec749619ee6759c - d6e7fda496978f2763413b5523557b38dc2bf6c2

Linux/Linux 3fd784f745dd1747863775a99ec749619ee6759c - e29c84857e2d51aa017ce04284b962742fb97d9e

Linux/Linux 3fd784f745dd1747863775a99ec749619ee6759c - ebe0f12cf4c044f812c6d17011531582f9ac8bb3

Linux/Linux 4.20

Linux/Linux 5.10.36 - 5.10.*

Linux/Linux 5.11.20 - 5.11.*

Linux/Linux 5.12.3 - 5.12.*

... and 3 more

Published Feb 27, 2024

Tracked Since Feb 18, 2026