CVE-2021-47121

net: caif: fix memory leak in cfusbl_device_notify

MEDIUM

5.5

CVSS Score

Published: March 15, 2024 at 08:14 PM UTC

Updated: June 17, 2026 at 04:16 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

3.3 ≤ v < 4.14.2363.3 ≤ v < 4.19.1943.3 ≤ v < 4.4.2723.3 ≤ v < 4.9.2723.3 ≤ v < 5.10.433.3 ≤ v < 5.12.103.3 ≤ v < 5.133.3 ≤ v < 5.4.1254.10 ≤ v < 4.14.2364.15 ≤ v < 4.19.1944.20 ≤ v < 5.4.1254.5 ≤ v < 4.9.2725.11 ≤ v < 5.12.105.5 ≤ v < 5.10.435.13 rc1 5.13 rc2 5.13 rc3 5.13 rc47ad65bf68d705b445ef10b77ab50dab22be185ee

Vendor states this is fixed in 46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (fixed)

Vendor states this is fixed in 4d94f530cd24c85aede6e72b8923f371b45d6886 (fixed)

Vendor states this is fixed in 7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (fixed)

Vendor states this is fixed in 81afc61cb6e2b553f2c5f992fa79e0ae73857141 (fixed)

Vendor states this is fixed in 9ea0ab48e755d8f29fe89eb235fb86176fdb597f (fixed)

Vendor states this is fixed in cc302e30a504e6b60a9ac8df7988646f46cd0294 (fixed)

Vendor states this is fixed in dde8686985ec24d6b00487080a906609bd613ea1 (fixed)

Vendor states this is fixed in e8b37f5009ea7095529790f022859711e6939c76 (fixed)

Vendor states this is fixed in 3.3 (unaffected)

Vendor states this is fixed in 4.14.236 (unaffected)

Vendor states this is fixed in 4.19.194 (unaffected)

Vendor states this is fixed in 4.4.272 (unaffected)