{"id":"CVE-2026-89944","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: hdac_hda: Fix hlink refcount leak on component registration failure\n\nhdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get()\nbefore registering th…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: hdac_hda: Fix hlink refcount leak on component registration failure\n\nhdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get()\nbefore registering th…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 6bae5ea9498926440ffc883f3dbceb0adc65e492 < 7eef9ae3b4ef782557526dd8ba0c206f028d8c2f","Linux >= 6bae5ea9498926440ffc883f3dbceb0adc65e492 < e8ea01a0457080b0cc7c69c430c0ab65d84dc377","Linux >= 6bae5ea9498926440ffc883f3dbceb0adc65e492 < cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c","Linux >= 6bae5ea9498926440ffc883f3dbceb0adc65e492 < 6ad4892c4f5cb437a928a02f5b7d37d496aa9268","Linux 4.20"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:17:04.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89944","references":[{"url":"https://git.kernel.org/stable/c/6ad4892c4f5cb437a928a02f5b7d37d496aa9268","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7eef9ae3b4ef782557526dd8ba0c206f028d8c2f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e8ea01a0457080b0cc7c69c430c0ab65d84dc377","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.965Z","epss":0.002,"epssPercentile":0.10124,"slug":"CVE-2026-89944","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nASoC: hdac_hda: Fix hlink refcount leak on component registration failure\n\nhdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get()\nbefore registering the ASoC component. If component registration fails,\nthe function returns without dropping the link reference.\n\nAlways call snd_hdac_ext_bus_link_put() after the registration attempt so\nthe reference taken during probe is balanced on both success and failure.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}