CVE-2021-3700
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3700
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3700.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 0.11.0-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 0.11.0-1 |
| debian | bullseye | affected | |
| debian | forky | fixed | 0.11.0-1 |
| debian | sid | fixed | 0.11.0-1 |
| debian | trixie | fixed | 0.11.0-1 |
References
Verify integrity in audit chain (admin only). AS-IS.