CVE-2021-47121

MEDIUM

Linux Kernel < 4.4.272 - Memory Leak

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in cfusbl_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error.

References (8)

[Patch] https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051

[Patch] https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886

[Patch] https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb

[Patch] https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141

[Patch] https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f

[Patch] https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294

[Patch] https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1

[Patch] https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 2.2%

Attack Vector LOCAL

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

Classification

CWE

CWE-401

Status published

Affected Products (5)

linux/linux_kernel < 4.4.272

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

Timeline

Published Mar 15, 2024

Tracked Since Feb 18, 2026