# net: hinic: fix mailbox segment buffer overflow

CVE record · `CVE-2026-97957`

- **Identifiers:** `CVE-2026-97957`
- **State:** Confirmed
- **Severity:** CVSS 8.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before 7cc974799fde846eda2d8f00ad4f8e1810eb0499` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before 8de1e23bd91fe3a6683e4bc574e2d6bcb0eef920` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before 72be1fd5d256dde748c0905c5e1749a119cad5bd` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before c622bbc212207d7c6bbd69dd88f0c3a3f5853d16` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before eca54a092d5f7b497b458ff5a6f66d4f7bfb6674` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before 9f6ad383901d0cb1c8ea5f7f3160fabfe1540eb5` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before 513f7b16ed0cffae9348151c72bed17c7073096f` (git)
  - affected: `a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c to before 5d4d985957434867bbe85e4fa5e638f3e48ad522` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.8`
  - unaffected: `before 5.8` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 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: `7.2.7 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97957](https://www.cve.org/CVERecord?id=CVE-2026-97957)
- [NVD: CVE-2026-97957](https://nvd.nist.gov/vuln/detail/CVE-2026-97957)

### References from the CNA

- <https://git.kernel.org/stable/c/7cc974799fde846eda2d8f00ad4f8e1810eb0499>
- <https://git.kernel.org/stable/c/8de1e23bd91fe3a6683e4bc574e2d6bcb0eef920>
- <https://git.kernel.org/stable/c/72be1fd5d256dde748c0905c5e1749a119cad5bd>
- <https://git.kernel.org/stable/c/c622bbc212207d7c6bbd69dd88f0c3a3f5853d16>
- <https://git.kernel.org/stable/c/eca54a092d5f7b497b458ff5a6f66d4f7bfb6674>
- <https://git.kernel.org/stable/c/9f6ad383901d0cb1c8ea5f7f3160fabfe1540eb5>
- <https://git.kernel.org/stable/c/513f7b16ed0cffae9348151c72bed17c7073096f>
- <https://git.kernel.org/stable/c/5d4d985957434867bbe85e4fa5e638f3e48ad522>

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-2026-97957>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97957/>. Everything for agents: <https://agentprime.io/llms.txt>.