{"id":"CVE-2026-43267","state":"PUBLISHED","title":"wifi: rtw89: fix potential zero beacon interval in beacon tracking","description":"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 in a division by zero error in\nsubsequent calculations. Set a default value of 100 TU if the\ninterval is zero to ensure stability.","publishedAt":"2026-05-06T11:28:52.887Z","updatedAt":"2026-05-11T22:21:15.288Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d360551f265e3c942ce06cd6f4d2f7f67741bcbd","status":"affected","lessThan":"1260bee01493126cf9c872b6ca2af261173baa6d","versionType":"git"},{"version":"d360551f265e3c942ce06cd6f4d2f7f67741bcbd","status":"affected","lessThan":"e00c9a4ec84c0bb067833b34202f457badbbc1c1","versionType":"git"},{"version":"d360551f265e3c942ce06cd6f4d2f7f67741bcbd","status":"affected","lessThan":"eb57be32f438c57c88d6ce756101c1dfbcc03bba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/core.c"]}],"references":["https://git.kernel.org/stable/c/1260bee01493126cf9c872b6ca2af261173baa6d","https://git.kernel.org/stable/c/e00c9a4ec84c0bb067833b34202f457badbbc1c1","https://git.kernel.org/stable/c/eb57be32f438c57c88d6ce756101c1dfbcc03bba"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43267.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43267","state":"PUBLISHED","datePublished":"2026-05-06T11:28:52.887Z","dateUpdated":"2026-05-11T22:21:15.288Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.997Z"},"containers":{"cna":{"title":"wifi: rtw89: fix potential zero beacon interval in beacon tracking","descriptions":[{"lang":"en","value":"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 in a division by zero error in\nsubsequent calculations. Set a default value of 100 TU if the\ninterval is zero to ensure stability."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d360551f265e3c942ce06cd6f4d2f7f67741bcbd","status":"affected","lessThan":"1260bee01493126cf9c872b6ca2af261173baa6d","versionType":"git"},{"version":"d360551f265e3c942ce06cd6f4d2f7f67741bcbd","status":"affected","lessThan":"e00c9a4ec84c0bb067833b34202f457badbbc1c1","versionType":"git"},{"version":"d360551f265e3c942ce06cd6f4d2f7f67741bcbd","status":"affected","lessThan":"eb57be32f438c57c88d6ce756101c1dfbcc03bba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/core.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:21:15.288Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}