CVE-2021-47211
unknown
CVSS v3
—
CVSS v2
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VIR risk
—
Description
In the Linux kernel, the following vulnerability has been resolved: 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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-47211
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-47211.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.15.5-1 |
| debian | bullseye | affected | |
| debian | forky | fixed | 5.15.5-1 |
| debian | sid | fixed | 5.15.5-1 |
| debian | trixie | fixed | 5.15.5-1 |
References
Verify integrity in audit chain (admin only). AS-IS.