CVE-2026-89944: Linux vulnerability

CVE-2026-89944: ASoC: hdac_hda: Fix hlink refcount leak on component registration failure

In the Linux kernel, the following vulnerability has been resolved: ASoC: hdac_hda: Fix hlink refcount leak on component registration failure hdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get() before registering the ASoC component. If component registration fails, the function returns without dropping the link reference. Always call snd_hdac_ext_bus_link_put() after the registration attempt so the reference taken during probe is balanced on both success and failure.

UnknownCVSS not scoredNot KEV-listedUpdatedOct 19, 2026, 08:55 UTC (UTC+00:00)

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 16, 2026, 10:32 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

0ADP providers

5Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Sep 11, 2026, 19:38 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
Sep 16, 2026, 10:32 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Oct 19, 2026, 08:55 UTC (UTC+00:00)

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/7eef9ae3b4ef782557526dd8ba0c206f028d8c2fCVE reference, Linux
https://git.kernel.org/stable/c/e8ea01a0457080b0cc7c69c430c0ab65d84dc377CVE reference, Linux
https://git.kernel.org/stable/c/cb6b0b1a9d5a61ef841739d42c6211094e9c8e2cCVE reference, Linux
https://git.kernel.org/stable/c/6ad4892c4f5cb437a928a02f5b7d37d496aa9268CVE reference, Linux

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinux6bae5ea9498926440ffc883f3dbceb0adc65e492, 6bae5ea9498926440ffc883f3dbceb0adc65e492, 6bae5ea9498926440ffc883f3dbceb0adc65e492, 6bae5ea9498926440ffc883f3dbceb0adc65e492unaffected

LinuxLinux4.20, 0, 6.12.110, 6.18.51, 7.2.5, 7.3affected

Weakness

CWE details

No CWE listed

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