# dmaengine: dw-edma: Initialize IRQ data before requesting IRQs

CVE record · `CVE-2026-89993`

- **Identifiers:** `CVE-2026-89993`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 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: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before b86280b12ccf33b68b309b7cb0e4476894dfe77c` (git)
  - affected: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before 07e50cef557def076418c67051a336e4c6bd50e1` (git)
  - affected: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before 17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba` (git)
  - affected: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before d232bc6cf4562132ef50644484dfd4b23a593295` (git)
  - affected: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before fac202d73e7a649b7d4010325c6c6dcd9334fe65` (git)
  - affected: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before d91fb6c0d10dad32929dc5c6850f89df34e1bfcd` (git)
  - affected: `e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf to before 647217abea849d3d45f8cb0b8ee5b78d50f26985` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.3`
  - unaffected: `before 5.3` (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: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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:** 0.0021, the 11th 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89993](https://www.cve.org/CVERecord?id=CVE-2026-89993)
- [NVD: CVE-2026-89993](https://nvd.nist.gov/vuln/detail/CVE-2026-89993)

### References from the CNA

- <https://git.kernel.org/stable/c/b86280b12ccf33b68b309b7cb0e4476894dfe77c>
- <https://git.kernel.org/stable/c/07e50cef557def076418c67051a336e4c6bd50e1>
- <https://git.kernel.org/stable/c/17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba>
- <https://git.kernel.org/stable/c/d232bc6cf4562132ef50644484dfd4b23a593295>
- <https://git.kernel.org/stable/c/fac202d73e7a649b7d4010325c6c6dcd9334fe65>
- <https://git.kernel.org/stable/c/d91fb6c0d10dad32929dc5c6850f89df34e1bfcd>
- <https://git.kernel.org/stable/c/647217abea849d3d45f8cb0b8ee5b78d50f26985>

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-2026-89993>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-89993/>. Everything for agents: <https://agentprime.io/llms.txt>.