# RDMA/ipoib: Drain RCU callbacks during module teardown

CVE record · `CVE-2026-93108`

- **Identifiers:** `CVE-2026-93108`
- **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: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before bb9c23733a0c50e136bd40c27cb60023cc58e22c` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before 4a6dc313f9661f80e4ed43461d7ed5615c2450ca` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before d8917353966d1d5a486437dd0dd68a2cf8ecb136` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before 7bc08d7f9338c9f9c09965e5d020591c793a80cb` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before 2b3330cfc097db2d31f47ad09261967630270d66` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before 24ce944721dcd92ae62e7a448d770e2a3e79f5fd` (git)
  - affected: `b63b70d8774175b6f8393c495fe455f0fba55ce1 to before 31b7c700670830a0e8a4cdcd451c88a13cc5dc48` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.6`
  - unaffected: `before 3.6` (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:** 0.0022, the 12th percentile, on 13 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-2026-93108](https://www.cve.org/CVERecord?id=CVE-2026-93108)
- [NVD: CVE-2026-93108](https://nvd.nist.gov/vuln/detail/CVE-2026-93108)

### References from the CNA

- <https://git.kernel.org/stable/c/bb9c23733a0c50e136bd40c27cb60023cc58e22c>
- <https://git.kernel.org/stable/c/4a6dc313f9661f80e4ed43461d7ed5615c2450ca>
- <https://git.kernel.org/stable/c/d8917353966d1d5a486437dd0dd68a2cf8ecb136>
- <https://git.kernel.org/stable/c/7bc08d7f9338c9f9c09965e5d020591c793a80cb>
- <https://git.kernel.org/stable/c/2b3330cfc097db2d31f47ad09261967630270d66>
- <https://git.kernel.org/stable/c/8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf>
- <https://git.kernel.org/stable/c/24ce944721dcd92ae62e7a448d770e2a3e79f5fd>
- <https://git.kernel.org/stable/c/31b7c700670830a0e8a4cdcd451c88a13cc5dc48>

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-2026-93108>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93108/>. Everything for agents: <https://agentprime.io/llms.txt>.