{"id":"CVE-2026-97973","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: destroy the phylink instance on the probe error path\n\nmacb_mii_init() creates a phylink instance on both of its success paths,\nbut the probe unwind frees the…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: destroy the phylink instance on the probe error path\n\nmacb_mii_init() creates a phylink instance on both of its success paths,\nbut the probe unwind frees the…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 < 23b6a44ffea1c54a4232aa86ee470b21422a8cc5","Linux >= 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 < e92a45b872b035c79acde8dd0da096a72b61ff2f","Linux >= 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 < 8558e3195664113c14a4d8fcf221b3caff41fed1","Linux >= 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 < 7d059f390750152b9bd69df934198651b94fc26d","Linux 5.5"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:25.203","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97973","references":[{"url":"https://git.kernel.org/stable/c/23b6a44ffea1c54a4232aa86ee470b21422a8cc5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7d059f390750152b9bd69df934198651b94fc26d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8558e3195664113c14a4d8fcf221b3caff41fed1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e92a45b872b035c79acde8dd0da096a72b61ff2f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.871Z","slug":"CVE-2026-97973","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: destroy the phylink instance on the probe error path\n\nmacb_mii_init() creates a phylink instance on both of its success paths,\nbut the probe unwind frees the netdev without destroying it, so a failing\nmacb_alloc_tieoff() or register_netdev() leaks the instance.\n\nDestroy it at err_out_unregister_mdio, which is only reachable once\nmacb_mii_init() has succeeded, so bp->phylink is valid there.\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":[]}