Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
No source has published a CVSS score for this record yet.
- CISA KEV Not listed.
- EPSS 0.0037, the 31st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
References from the CNA
- bugzilla.redhat.com/show_bug.cgi?id=1980646
- ubuntu.com/security/CVE-2021-3640
- www.openwall.com/lists/oss-security/2021/07/22/1
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951
- github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951
- lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- www.debian.org/security/2022/dsa-5096
- security.netapp.com/advisory/ntap-20220419-0003/