CVE-2021-3655
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3655
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3655.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202107-48
Vendor advisory: arch — https://security.archlinux.org/ASA-202107-49
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 5.13.4.zen1-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 5.10.46-3 |
| debian | bullseye | fixed | 5.10.46-3 |
| debian | forky | fixed | 5.10.46-3 |
| debian | sid | fixed | 5.10.46-3 |
| debian | trixie | fixed | 5.10.46-3 |
References
Verify integrity in audit chain (admin only). AS-IS.