CVE-2021-47020

low-risk
Published 2024-02-29

In the Linux kernel, the following vulnerability has been resolved: soundwire: stream: fix memory leak in stream config error path When stream config is failed, master runtime will release all slave runtime in the slave_rt_list, but slave runtime is not added to the list at this time. This patch frees slave runtime in the config error path to fix the memory leak.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (12)

Patch https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88
Patch https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80
Patch https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f
Patch https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a
Patch https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002
Patch https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea
Patch https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88
Patch https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80
Patch https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f
Patch https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a
Patch https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002
Patch https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal