# RDMA/hfi1: Preserve unit 0 on allocation failure

CVE record · `CVE-2026-93103`

- **Identifiers:** `CVE-2026-93103`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:11 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: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 852637d3ee56aed8ea3ee8948eda21eca406c051` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 3d0e5252b8d0345ef494763ca31e3ddd666e02cb` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 0feb29d434e6cc0ebefec4f77be014c85ad751b0` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 3f1e196eb66b8cd3882e373794d6cea46f150a20` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 4ff9d58d34758e9633078b37e8d5289b513ff80e` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before fd4d3ad5f244a867166d1e2da7ece3d82878ec81` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 4204f5c0312ba136181a6e148ffa0bfaf95a4cc1` (git)
  - affected: `03b92789e5cfdac66805c1a98f1ec67336199d56 to before 2e3809ad8911f5d5581b3f046bd628417bface76` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.2`
  - unaffected: `before 5.2` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 14 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93103](https://www.cve.org/CVERecord?id=CVE-2026-93103)
- [NVD: CVE-2026-93103](https://nvd.nist.gov/vuln/detail/CVE-2026-93103)

### References from the CNA

- <https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051>
- <https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb>
- <https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0>
- <https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20>
- <https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e>
- <https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81>
- <https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1>
- <https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76>

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-2026-93103>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93103/>. Everything for agents: <https://agentprime.io/llms.txt>.