CVE-2021-47193

Published: Apr 10, 2024Modified: Nov 3, 2025

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Fix memory leak during rmmod Driver failed to release all memory allocated. This would lead to memory leak during driver removal. Properly free memory when the module is removed.

Affected (1)

Products: Linux: Linux Kernel

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 5.15.5

Related CWEs

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (6)

https://git.kernel.org/stable/c/0c4398f2ee030d5753f6b0ad83f0ed9077851d9a

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.