{"id":"CVE-2026-43267","title":"wifi: rtw89: fix potential zero beacon interval in beacon tracking","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: fix potential zero beacon interval in beacon tracking\n\nDuring fuzz testing, it was discovered that bss_conf->beacon_int\nmight be zero, which could result i…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d360551f265e3c942ce06cd6f4d2f7f67741bcbd < 1260bee01493126cf9c872b6ca2af261173baa6d","Linux >= d360551f265e3c942ce06cd6f4d2f7f67741bcbd < e00c9a4ec84c0bb067833b34202f457badbbc1c1","Linux >= d360551f265e3c942ce06cd6f4d2f7f67741bcbd < eb57be32f438c57c88d6ce756101c1dfbcc03bba","Linux 6.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:32:44.071749Z"},"published":"2026-05-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:42:45.667Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43267","references":[{"url":"https://git.kernel.org/stable/c/1260bee01493126cf9c872b6ca2af261173baa6d"},{"url":"https://git.kernel.org/stable/c/e00c9a4ec84c0bb067833b34202f457badbbc1c1"},{"url":"https://git.kernel.org/stable/c/eb57be32f438c57c88d6ce756101c1dfbcc03bba"}],"tags":["cve.org"],"epss":0.00117,"epssPercentile":0.01704,"ingestedAt":"2026-11-06T15:54:03.955Z","slug":"CVE-2026-43267","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: fix potential zero beacon interval in beacon tracking\n\nDuring fuzz testing, it was discovered that bss_conf->beacon_int\nmight be zero, which could result in a division by zero error in\nsubsequent calculations. Set a default value of 100 TU if the\ninterval is zero to ensure stability.\n\n## Affected\n\n- `Linux >= d360551f265e3c942ce06cd6f4d2f7f67741bcbd < 1260bee01493126cf9c872b6ca2af261173baa6d`\n- `Linux >= d360551f265e3c942ce06cd6f4d2f7f67741bcbd < e00c9a4ec84c0bb067833b34202f457badbbc1c1`\n- `Linux >= d360551f265e3c942ce06cd6f4d2f7f67741bcbd < eb57be32f438c57c88d6ce756101c1dfbcc03bba`\n- `Linux 6.18`\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":[]}