{"api_version":"1","generated_at":"2026-06-09T15:14:57+00:00","cve":"CVE-2026-46307","urls":{"html":"https://cve.report/CVE-2026-46307","api":"https://cve.report/api/cve/CVE-2026-46307.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46307","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46307"},"summary":{"title":"wifi: ath5k: do not access array OOB","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath5k: do not access array OOB\n\nVincent reports:\n> The ath5k driver seems to do an array-index-out-of-bounds access as\n> shown by the UBSAN kernel message:\n> UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath5k/base.c:1741:20\n> index 4 is out of range for type 'ieee80211_tx_rate [4]'\n> ...\n> Call Trace:\n>  <TASK>\n>  dump_stack_lvl+0x5d/0x80\n>  ubsan_epilogue+0x5/0x2b\n>  __ubsan_handle_out_of_bounds.cold+0x46/0x4b\n>  ath5k_tasklet_tx+0x4e0/0x560 [ath5k]\n>  tasklet_action_common+0xb5/0x1c0\n\nIt is real. 'ts->ts_final_idx' can be 3 on 5212, so:\n   info->status.rates[ts->ts_final_idx + 1].idx = -1;\nwith the array defined as:\n   struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];\nwhile the size is:\n   #define IEEE80211_TX_MAX_RATES  4\nis indeed bogus.\n\nSet this 'idx = -1' sentinel only if the array index is less than the\narray size. As mac80211 will not look at rates beyond the size\n(IEEE80211_TX_MAX_RATES).\n\nNote: The effect of the OOB write is negligible. It just overwrites the\nnext member of info->status, i.e. ack_signal.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-08 17:16:49","updated_at":"2026-06-08 17:16:49"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/568173ad9bd0b46cc6cd937dea8791e9b5eefa57","name":"https://git.kernel.org/stable/c/568173ad9bd0b46cc6cd937dea8791e9b5eefa57","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d6869537013b1f21b292342752d97868b79b5934","name":"https://git.kernel.org/stable/c/d6869537013b1f21b292342752d97868b79b5934","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ecb1c163166759dec004c1fdb9709b8a5992fc8e","name":"https://git.kernel.org/stable/c/ecb1c163166759dec004c1fdb9709b8a5992fc8e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/744c19e266b0d2628c5951439195dcef27eadacf","name":"https://git.kernel.org/stable/c/744c19e266b0d2628c5951439195dcef27eadacf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/83226c71af53fb9b3cad40cb9a9a79f36d68c020","name":"https://git.kernel.org/stable/c/83226c71af53fb9b3cad40cb9a9a79f36d68c020","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9dd6aae4bc7bfa11088d928670a3315eae542769","name":"https://git.kernel.org/stable/c/9dd6aae4bc7bfa11088d928670a3315eae542769","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d748603f12baff112caa3ab7d39f50100f010dbd","name":"https://git.kernel.org/stable/c/d748603f12baff112caa3ab7d39f50100f010dbd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e9f1081bc775146156def0dbc821b92f35d56afb","name":"https://git.kernel.org/stable/c/e9f1081bc775146156def0dbc821b92f35d56afb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46307","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46307","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc ecb1c163166759dec004c1fdb9709b8a5992fc8e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc 9dd6aae4bc7bfa11088d928670a3315eae542769 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc 744c19e266b0d2628c5951439195dcef27eadacf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc 83226c71af53fb9b3cad40cb9a9a79f36d68c020 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc d6869537013b1f21b292342752d97868b79b5934 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc e9f1081bc775146156def0dbc821b92f35d56afb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc 568173ad9bd0b46cc6cd937dea8791e9b5eefa57 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d7b97b23e114c8fbb825e6721164d228c1af3fc d748603f12baff112caa3ab7d39f50100f010dbd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.258 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.140 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.88 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.30 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.7 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath5k/base.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ecb1c163166759dec004c1fdb9709b8a5992fc8e","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"9dd6aae4bc7bfa11088d928670a3315eae542769","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"744c19e266b0d2628c5951439195dcef27eadacf","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"83226c71af53fb9b3cad40cb9a9a79f36d68c020","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"d6869537013b1f21b292342752d97868b79b5934","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"e9f1081bc775146156def0dbc821b92f35d56afb","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"568173ad9bd0b46cc6cd937dea8791e9b5eefa57","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"},{"lessThan":"d748603f12baff112caa3ab7d39f50100f010dbd","status":"affected","version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath5k/base.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.0"},{"lessThan":"3.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.88","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.88","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"3.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"3.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath5k: do not access array OOB\n\nVincent reports:\n> The ath5k driver seems to do an array-index-out-of-bounds access as\n> shown by the UBSAN kernel message:\n> UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath5k/base.c:1741:20\n> index 4 is out of range for type 'ieee80211_tx_rate [4]'\n> ...\n> Call Trace:\n>  <TASK>\n>  dump_stack_lvl+0x5d/0x80\n>  ubsan_epilogue+0x5/0x2b\n>  __ubsan_handle_out_of_bounds.cold+0x46/0x4b\n>  ath5k_tasklet_tx+0x4e0/0x560 [ath5k]\n>  tasklet_action_common+0xb5/0x1c0\n\nIt is real. 'ts->ts_final_idx' can be 3 on 5212, so:\n   info->status.rates[ts->ts_final_idx + 1].idx = -1;\nwith the array defined as:\n   struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];\nwhile the size is:\n   #define IEEE80211_TX_MAX_RATES  4\nis indeed bogus.\n\nSet this 'idx = -1' sentinel only if the array index is less than the\narray size. As mac80211 will not look at rates beyond the size\n(IEEE80211_TX_MAX_RATES).\n\nNote: The effect of the OOB write is negligible. It just overwrites the\nnext member of info->status, i.e. ack_signal."}],"providerMetadata":{"dateUpdated":"2026-06-08T15:46:35.059Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ecb1c163166759dec004c1fdb9709b8a5992fc8e"},{"url":"https://git.kernel.org/stable/c/9dd6aae4bc7bfa11088d928670a3315eae542769"},{"url":"https://git.kernel.org/stable/c/744c19e266b0d2628c5951439195dcef27eadacf"},{"url":"https://git.kernel.org/stable/c/83226c71af53fb9b3cad40cb9a9a79f36d68c020"},{"url":"https://git.kernel.org/stable/c/d6869537013b1f21b292342752d97868b79b5934"},{"url":"https://git.kernel.org/stable/c/e9f1081bc775146156def0dbc821b92f35d56afb"},{"url":"https://git.kernel.org/stable/c/568173ad9bd0b46cc6cd937dea8791e9b5eefa57"},{"url":"https://git.kernel.org/stable/c/d748603f12baff112caa3ab7d39f50100f010dbd"}],"title":"wifi: ath5k: do not access array OOB","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46307","datePublished":"2026-06-08T15:46:35.059Z","dateReserved":"2026-05-13T15:03:33.111Z","dateUpdated":"2026-06-08T15:46:35.059Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-08 17:16:49","lastModifiedDate":"2026-06-08 17:16:49","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46307","Ordinal":"1","Title":"wifi: ath5k: do not access array OOB","CVE":"CVE-2026-46307","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46307","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath5k: do not access array OOB\n\nVincent reports:\n> The ath5k driver seems to do an array-index-out-of-bounds access as\n> shown by the UBSAN kernel message:\n> UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath5k/base.c:1741:20\n> index 4 is out of range for type 'ieee80211_tx_rate [4]'\n> ...\n> Call Trace:\n>  <TASK>\n>  dump_stack_lvl+0x5d/0x80\n>  ubsan_epilogue+0x5/0x2b\n>  __ubsan_handle_out_of_bounds.cold+0x46/0x4b\n>  ath5k_tasklet_tx+0x4e0/0x560 [ath5k]\n>  tasklet_action_common+0xb5/0x1c0\n\nIt is real. 'ts->ts_final_idx' can be 3 on 5212, so:\n   info->status.rates[ts->ts_final_idx + 1].idx = -1;\nwith the array defined as:\n   struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];\nwhile the size is:\n   #define IEEE80211_TX_MAX_RATES  4\nis indeed bogus.\n\nSet this 'idx = -1' sentinel only if the array index is less than the\narray size. As mac80211 will not look at rates beyond the size\n(IEEE80211_TX_MAX_RATES).\n\nNote: The effect of the OOB write is negligible. It just overwrites the\nnext member of info->status, i.e. ack_signal.","Type":"Description","Title":"wifi: ath5k: do not access array OOB"}]}}}