MEDIUM 5.5 Microsoft

CVE-2022-3586

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.

Microsoft Security Update 2022-Oct: 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.

Affected Products

References

Published: 2022-10-11 · Source: Microsoft · Feed updated: 2026-09-03
This medium severity vulnerability with a CVSS score of 5.5 was published on 2022-10-11 via Microsoft. Affected: cm1 kernel 5.10.153.1-1 on CBL Mariner 1.0, cbl2 kernel 5.15.82.1-1 on CBL Mariner 2.0.
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