# CVE-2022-49813: net: ena: Fix error handling in ena_init()

Status: published. Published: 2025-05-01. Updated: 2026-11-05.

In the Linux kernel, the following vulnerability has been resolved:

net: ena: Fix error handling in ena_init()

The ena_init() won't destroy workqueue created by
create_singlethread_workqueue() when pci_register_driver() failed.
Call destroy_workqueue() when pci_register_driver() failed to prevent the
resource leak.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Linux / Linux: ≥ 1738cd3ed342294360d6a74d4e58800004bff854; < 6b23a4b252044e4fd23438930d452244818d7000 (affected, git); ≥ 1738cd3ed342294360d6a74d4e58800004bff854; < 3f7b2ef8fe924e299bc339811ea3f1b9935c040f (affected, git); ≥ 1738cd3ed342294360d6a74d4e58800004bff854; < 0e2369223b174d198ec42a3ec0a7f06c8727b968 (affected, git); ≥ 1738cd3ed342294360d6a74d4e58800004bff854; < d349e9be5a2c2d7588a2c4e4bfa0bb3dc1226769 (affected, git). Source: CNA: Linux
- Linux / Linux: 4.9 (affected); ≥ 0; < 4.9 (unaffected, semver); ≥ 5.10.156; ≤ 5.10.* (unaffected, semver); ≥ 5.15.80; ≤ 5.15.* (unaffected, semver); ≥ 6.0.10; ≤ 6.0.* (unaffected, semver); ≥ 6.1; ≤ * (unaffected, original_commit_for_fix). Source: CNA: Linux

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 0.20% as of 2026-11-05; percentile 10.16%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: Not reported

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://git.kernel.org/stable/c/6b23a4b252044e4fd23438930d452244818d7000 (CNA: Linux)

- https://git.kernel.org/stable/c/3f7b2ef8fe924e299bc339811ea3f1b9935c040f (CNA: Linux)

- https://git.kernel.org/stable/c/0e2369223b174d198ec42a3ec0a7f06c8727b968 (CNA: Linux)

- https://git.kernel.org/stable/c/d349e9be5a2c2d7588a2c4e4bfa0bb3dc1226769 (CNA: Linux)

## Provenance

- CNA: Linux: https://www.cve.org/CVERecord?id=CVE-2022-49813; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2022-49813; retrieved 2026-11-05; source updated Not reported

Revision: 8984e8a7f9c5d6689f1ccbabdcd2ac99fde86a7ae4f3f65201978f024c0f0c8a

Canonical: https://y2.dev/cve/CVE-2022-49813

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