{"id":"CVE-2023-53540","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: reject auth/assoc to AP with our address\n\nIf the AP uses our own address as its MLD address or BSSID, then\nclearly something's wrong","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: reject auth/assoc to AP with our address\n\nIf the AP uses our own address as its MLD address or BSSID, then\nclearly something's wrong. Reject such connec…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.32, < 6.1.55","linux_kernel >= 6.2, < 6.5.5"],"patched":["linux_kernel 6.5.5"],"published":"2025-10-04","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:42.610","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-53540","references":[{"url":"https://git.kernel.org/stable/c/07added2c6cd63de047bc786b39436322abb67c0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5d4e04bf3a0f098bd9033de3a5291810fa14c7a6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/676a423410131d111a264d29aecbe6aadd57fb22","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00198,"epssPercentile":0.09511,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T21:35:31.319969Z"},"ingestedAt":"2026-10-15T22:48:25.408Z","slug":"CVE-2023-53540","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: reject auth/assoc to AP with our address\n\nIf the AP uses our own address as its MLD address or BSSID, then\nclearly something's wrong. Reject such connections so we don't\ntry and fail later.\n\n## Affected\n\n- `linux_kernel >= 2.6.32, < 6.1.55`\n- `linux_kernel >= 6.2, < 6.5.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.5.5`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}