# smb/client: flush dirty data before punching a hole

CVE record · `CVE-2026-93794`

- **Identifiers:** `CVE-2026-93794`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:02 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: `31742c5a331766bc7df6b0d525df00c6cd20d5a6 to before 0c9fcab9bf1ef3516983f3de05a19c5658c7a01e` (git)
  - affected: `31742c5a331766bc7df6b0d525df00c6cd20d5a6 to before 216e469586057c29409e4ef8311d282388c6e251` (git)
  - affected: `31742c5a331766bc7df6b0d525df00c6cd20d5a6 to before 6c265aca08155e519a8f6f6071c59dff4f535f70` (git)
  - affected: `31742c5a331766bc7df6b0d525df00c6cd20d5a6 to before 39562a56cdb515f6635c3e7bfe6629439b18a169` (git)
  - affected: `31742c5a331766bc7df6b0d525df00c6cd20d5a6 to before d7d2adcd022baade5cab65ca492ce63421ce3a6e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.17`
  - unaffected: `before 3.17` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 12 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93794](https://www.cve.org/CVERecord?id=CVE-2026-93794)
- [NVD: CVE-2026-93794](https://nvd.nist.gov/vuln/detail/CVE-2026-93794)

### References from the CNA

- <https://git.kernel.org/stable/c/0c9fcab9bf1ef3516983f3de05a19c5658c7a01e>
- <https://git.kernel.org/stable/c/216e469586057c29409e4ef8311d282388c6e251>
- <https://git.kernel.org/stable/c/6c265aca08155e519a8f6f6071c59dff4f535f70>
- <https://git.kernel.org/stable/c/39562a56cdb515f6635c3e7bfe6629439b18a169>
- <https://git.kernel.org/stable/c/d7d2adcd022baade5cab65ca492ce63421ce3a6e>

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-2026-93794>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93794/>. Everything for agents: <https://agentprime.io/llms.txt>.