# CVE-2022-49616: ASoC: rt7*-sdw: harden jack_detect_handler

Status: published. Published: 2025-02-26. Updated: 2026-11-05.

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

ASoC: rt7*-sdw: harden jack_detect_handler

Realtek headset codec drivers typically check if the card is
instantiated before proceeding with the jack detection.

The rt700, rt711 and rt711-sdca are however missing a check on the
card pointer, which can lead to NULL dereferences encountered in
driver bind/unbind tests.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Linux / Linux: ≥ 320b8b0d13b81f3697acff5b6ddb47f88a09c118; < 07a606e1389a63b61cb8cd591026f30529117573 (affected, git); ≥ 320b8b0d13b81f3697acff5b6ddb47f88a09c118; < 1d75b73ec6d6b705cca528b36d8315e43e8d7fa5 (affected, git); ≥ 320b8b0d13b81f3697acff5b6ddb47f88a09c118; < 0484271ab0ce50649329fa9dc23c50853c5b26a4 (affected, git). Source: CNA: Linux
- Linux / Linux: 5.6 (affected); ≥ 0; < 5.6 (unaffected, semver); ≥ 5.15.56; ≤ 5.15.* (unaffected, semver); ≥ 5.18.13; ≤ 5.18.* (unaffected, semver); ≥ 5.19; ≤ * (unaffected, original_commit_for_fix). Source: CNA: Linux

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 0.26% as of 2026-11-05; percentile 17.60%

- 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/07a606e1389a63b61cb8cd591026f30529117573 (CNA: Linux)

- https://git.kernel.org/stable/c/1d75b73ec6d6b705cca528b36d8315e43e8d7fa5 (CNA: Linux)

- https://git.kernel.org/stable/c/0484271ab0ce50649329fa9dc23c50853c5b26a4 (CNA: Linux)

## Provenance

- CNA: Linux: https://www.cve.org/CVERecord?id=CVE-2022-49616; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2022-49616; retrieved 2026-11-05; source updated Not reported

Revision: 6400f1600da824652a0fc000d1915408997fccb4edc9c19a563fb084e3cf908d

Canonical: https://y2.dev/cve/CVE-2022-49616

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