# net/smc: fix deadlock triggered by cancel_delayed_work_syn()

CVE record · `CVE-2023-53233`

- **Identifiers:** `CVE-2023-53233`
- **State:** Confirmed
- **Severity:** CVSS 5.5 Medium
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-667](https://cwe.mitre.org/data/definitions/667.html)
- **Tags:** [CWE-667](https://agentprime.io/advisories/tag/cwe-667.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 15 Sept 2025
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 15 Sept 2025, 14:22 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `a52bcc919b14c9d78f03b2b4ff604e5ca69c7e6d to before 9708efad9ba5095b9bb7916e11a135b3bd66c071` (git)
  - affected: `a52bcc919b14c9d78f03b2b4ff604e5ca69c7e6d to before b615238e5bc01e13dc0610febddc1ca99bab1df6` (git)
  - affected: `a52bcc919b14c9d78f03b2b4ff604e5ca69c7e6d to before 3517584cf1b35bd02f4a90267ddf9dcf17bd9c87` (git)
  - affected: `a52bcc919b14c9d78f03b2b4ff604e5ca69c7e6d to before c9ca2257150272df1b8d9ebe5059197ffea6e913` (git)
  - affected: `a52bcc919b14c9d78f03b2b4ff604e5ca69c7e6d to before 13085e1b5cab8ad802904d72e6a6dae85ae0cd20` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.8`
  - unaffected: `before 5.8` (semver)
  - unaffected: `5.10.176 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.104 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.21 to 6.1.*, inclusive` (semver)
  - unaffected: `6.2.8 to 6.2.*, inclusive` (semver)
  - unaffected: `6.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## 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

- 5.5 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 15 Sept 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-53233](https://www.cve.org/CVERecord?id=CVE-2023-53233)
- [NVD: CVE-2023-53233](https://nvd.nist.gov/vuln/detail/CVE-2023-53233)

### References from the CNA

- <https://git.kernel.org/stable/c/9708efad9ba5095b9bb7916e11a135b3bd66c071>
- <https://git.kernel.org/stable/c/b615238e5bc01e13dc0610febddc1ca99bab1df6>
- <https://git.kernel.org/stable/c/3517584cf1b35bd02f4a90267ddf9dcf17bd9c87>
- <https://git.kernel.org/stable/c/c9ca2257150272df1b8d9ebe5059197ffea6e913>
- <https://git.kernel.org/stable/c/13085e1b5cab8ad802904d72e6a6dae85ae0cd20>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2023-53233>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2023-53233/>. Everything for agents: <https://agentprime.io/llms.txt>.