{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46307","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.111Z","datePublished":"2026-06-08T15:46:35.059Z","dateUpdated":"2026-06-14T18:08:05.377Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T18:08:05.377Z"},"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."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","baseScore":8.3,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath5k/base.c"],"versions":[{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"ecb1c163166759dec004c1fdb9709b8a5992fc8e","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"9dd6aae4bc7bfa11088d928670a3315eae542769","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"744c19e266b0d2628c5951439195dcef27eadacf","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"83226c71af53fb9b3cad40cb9a9a79f36d68c020","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"d6869537013b1f21b292342752d97868b79b5934","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"e9f1081bc775146156def0dbc821b92f35d56afb","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"568173ad9bd0b46cc6cd937dea8791e9b5eefa57","status":"affected","versionType":"git"},{"version":"6d7b97b23e114c8fbb825e6721164d228c1af3fc","lessThan":"d748603f12baff112caa3ab7d39f50100f010dbd","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath5k/base.c"],"versions":[{"version":"3.0","status":"affected"},{"version":"0","lessThan":"3.0","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.88","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.30","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.7","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"7.1"}]}]}],"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"}}}}