# ksmbd: fix maximum allowed access checks

CVE record · `CVE-2026-93282`

- **Identifiers:** `CVE-2026-93282`
- **State:** Confirmed
- **Severity:** CVSS 8.1 High
- **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, 15:52 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: `e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before faf0b894eedc7b2ebb36c48d04d412240dd0ea71` (git)
  - affected: `e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 7c293e83d86cfd38124f51b27882ad631818bf48` (git)
  - affected: `e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 37459edb69c094553026ee48c2cc2acc657f9f43` (git)
  - affected: `e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 28289d880e6d11ae7ac77b81af3312453febf939` (git)
  - affected: `e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 35d5c59fe6b1d9fe43fb14eb384f69ee1a120f9c` (git)
  - affected: `e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before cc2f133e80eb2c4a04bfa77a2f207749fe2f516a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.15`
  - unaffected: `before 5.15` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 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

- 8.1 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0038, the 32nd 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-2026-93282](https://www.cve.org/CVERecord?id=CVE-2026-93282)
- [NVD: CVE-2026-93282](https://nvd.nist.gov/vuln/detail/CVE-2026-93282)

### References from the CNA

- <https://git.kernel.org/stable/c/faf0b894eedc7b2ebb36c48d04d412240dd0ea71>
- <https://git.kernel.org/stable/c/7c293e83d86cfd38124f51b27882ad631818bf48>
- <https://git.kernel.org/stable/c/37459edb69c094553026ee48c2cc2acc657f9f43>
- <https://git.kernel.org/stable/c/28289d880e6d11ae7ac77b81af3312453febf939>
- <https://git.kernel.org/stable/c/35d5c59fe6b1d9fe43fb14eb384f69ee1a120f9c>
- <https://git.kernel.org/stable/c/cc2f133e80eb2c4a04bfa77a2f207749fe2f516a>

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-2026-93282>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93282/>. Everything for agents: <https://agentprime.io/llms.txt>.