ALSA: usb-audio: fix null pointer dereference on pointer cs_desc
The pointer cs_desc return from snd_usb_find_clock_source could
be null, so there is a potential null pointer dereference issue.
Fix this by adding a null check before dereference.
Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
Ubuntu USN |
USN-7553-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7553-2 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7553-3 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7553-4 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7553-5 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7553-6 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-7554-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7554-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7554-3 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7585-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7585-2 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7585-3 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-7585-4 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7585-5 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7585-6 | Linux kernel (BlueField) vulnerabilities |
Ubuntu USN |
USN-7585-7 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-7640-1 | Linux kernel (IoT) vulnerabilities |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 14 Jan 2025 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| Metrics |
cvssV3_1
|
cvssV3_1
|
Mon, 04 Nov 2024 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Projects
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-12-10T07:09:59.531Z
Reserved: 2024-04-10T18:59:19.526Z
Link: CVE-2021-47211
Updated: 2024-08-04T05:32:07.365Z
Status : Analyzed
Published: 2024-04-10T19:15:48.547
Modified: 2025-01-14T14:43:27.637
Link: CVE-2021-47211
OpenCVE Enrichment
No data.
Ubuntu USN