{"id":"CVE-2026-98565","title":"net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621\n\nThe core and io supplies are only requested for ID_MT7530: both the\ndevm_regulator_get() in probe…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < bd172580e624bac00d83abd5c4320d2e14d853bc","Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < e9a5298532780ecdd05c3220f3e1e3067b3537c3","Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < 62c0e38b2e5034184d4502ce77bd178b29e59b83","Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < aae2a1f1e3a0ac5eeb439262a2328a2a392413ac","Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4","Linux 5.1"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:18:31.836Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98565","references":[{"url":"https://git.kernel.org/stable/c/bd172580e624bac00d83abd5c4320d2e14d853bc"},{"url":"https://git.kernel.org/stable/c/e9a5298532780ecdd05c3220f3e1e3067b3537c3"},{"url":"https://git.kernel.org/stable/c/62c0e38b2e5034184d4502ce77bd178b29e59b83"},{"url":"https://git.kernel.org/stable/c/aae2a1f1e3a0ac5eeb439262a2328a2a392413ac"},{"url":"https://git.kernel.org/stable/c/c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.261Z","slug":"CVE-2026-98565","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621\n\nThe core and io supplies are only requested for ID_MT7530: both the\ndevm_regulator_get() in probe and the regulator_enable() in\nmt7530_setup() are guarded by the switch id, but mt7530_remove()\ndisables them unconditionally. On an MT7621 or an MT7531 both pointers\nare still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls\nregulator_disable() on NULL.\n\n## Affected\n\n- `Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < bd172580e624bac00d83abd5c4320d2e14d853bc`\n- `Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < e9a5298532780ecdd05c3220f3e1e3067b3537c3`\n- `Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < 62c0e38b2e5034184d4502ce77bd178b29e59b83`\n- `Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < aae2a1f1e3a0ac5eeb439262a2328a2a392413ac`\n- `Linux >= ddda1ac116c852bb969541ed53cffef7255c4961 < c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4`\n- `Linux 5.1`\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":[]}