CVE-2022-3586
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-3586
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-3586.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 6.2-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 5.19.11-1 |
| debian | bullseye | fixed | 5.10.148-1 |
| debian | forky | fixed | 5.19.11-1 |
| debian | sid | fixed | 5.19.11-1 |
| debian | trixie | fixed | 5.19.11-1 |
References
Verify integrity in audit chain (admin only). AS-IS.