{"id":"CVE-2025-38605","state":"PUBLISHED","title":"wifi: ath12k: Pass ab pointer directly to ath12k_dp_tx_get_encap_type()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Pass ab pointer directly to ath12k_dp_tx_get_encap_type()\n\nIn ath12k_dp_tx_get_encap_type(), the arvif parameter is only used to\nretrieve the ab pointer. In vdev delete sequence the arvif->ar could\nbecome NULL and that would trigger kernel panic.\nSince the caller ath12k_dp_tx() already has a valid ab pointer, pass it\ndirectly to avoid panic and unnecessary dereferencing.\n\nPC points to \"ath12k_dp_tx+0x228/0x988 [ath12k]\"\nLR points to \"ath12k_dp_tx+0xc8/0x988 [ath12k]\".\nThe Backtrace obtained is as follows:\nath12k_dp_tx+0x228/0x988 [ath12k]\nath12k_mac_tx_check_max_limit+0x608/0x920 [ath12k]\nieee80211_process_measurement_req+0x320/0x348 [mac80211]\nieee80211_tx_dequeue+0x9ac/0x1518 [mac80211]\nieee80211_tx_dequeue+0xb14/0x1518 [mac80211]\nieee80211_tx_prepare_skb+0x224/0x254 [mac80211]\nieee80211_xmit+0xec/0x100 [mac80211]\n__ieee80211_subif_start_xmit+0xc50/0xf40 [mac80211]\nieee80211_subif_start_xmit+0x2e8/0x308 [mac80211]\nnetdev_start_xmit+0x150/0x18c\ndev_hard_start_xmit+0x74/0xc0\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1","publishedAt":"2025-08-19T17:03:49.295Z","updatedAt":"2026-10-21T12:37:10.261Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"be27a11a42b2190f817b198bf5e753e5e4ac849e","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"d9d2a0466e981d1be95fc8bdc05806ea21def758","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"b508f370f88f277c95e2bd3bc47217a96d668cee","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"ee4f8e7fa578f9f28cef5f409677db25f4f83d7e","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"05062834350f0bf7ad1abcebc2807220e90220eb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/dp_tx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.10","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.1","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","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/ath/ath12k/dp_tx.c"]}],"references":["https://git.kernel.org/stable/c/be27a11a42b2190f817b198bf5e753e5e4ac849e","https://git.kernel.org/stable/c/d9d2a0466e981d1be95fc8bdc05806ea21def758","https://git.kernel.org/stable/c/b508f370f88f277c95e2bd3bc47217a96d668cee","https://git.kernel.org/stable/c/ee4f8e7fa578f9f28cef5f409677db25f4f83d7e","https://git.kernel.org/stable/c/05062834350f0bf7ad1abcebc2807220e90220eb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38605.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38605","state":"PUBLISHED","datePublished":"2025-08-19T17:03:49.295Z","dateUpdated":"2026-10-21T12:37:10.261Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.028Z"},"containers":{"cna":{"title":"wifi: ath12k: Pass ab pointer directly to ath12k_dp_tx_get_encap_type()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Pass ab pointer directly to ath12k_dp_tx_get_encap_type()\n\nIn ath12k_dp_tx_get_encap_type(), the arvif parameter is only used to\nretrieve the ab pointer. In vdev delete sequence the arvif->ar could\nbecome NULL and that would trigger kernel panic.\nSince the caller ath12k_dp_tx() already has a valid ab pointer, pass it\ndirectly to avoid panic and unnecessary dereferencing.\n\nPC points to \"ath12k_dp_tx+0x228/0x988 [ath12k]\"\nLR points to \"ath12k_dp_tx+0xc8/0x988 [ath12k]\".\nThe Backtrace obtained is as follows:\nath12k_dp_tx+0x228/0x988 [ath12k]\nath12k_mac_tx_check_max_limit+0x608/0x920 [ath12k]\nieee80211_process_measurement_req+0x320/0x348 [mac80211]\nieee80211_tx_dequeue+0x9ac/0x1518 [mac80211]\nieee80211_tx_dequeue+0xb14/0x1518 [mac80211]\nieee80211_tx_prepare_skb+0x224/0x254 [mac80211]\nieee80211_xmit+0xec/0x100 [mac80211]\n__ieee80211_subif_start_xmit+0xc50/0xf40 [mac80211]\nieee80211_subif_start_xmit+0x2e8/0x308 [mac80211]\nnetdev_start_xmit+0x150/0x18c\ndev_hard_start_xmit+0x74/0xc0\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"be27a11a42b2190f817b198bf5e753e5e4ac849e","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"d9d2a0466e981d1be95fc8bdc05806ea21def758","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"b508f370f88f277c95e2bd3bc47217a96d668cee","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"ee4f8e7fa578f9f28cef5f409677db25f4f83d7e","versionType":"git"},{"version":"e93bbd65547ea8073b707c9034c3f051f8018614","status":"affected","lessThan":"05062834350f0bf7ad1abcebc2807220e90220eb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/dp_tx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.10","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.1","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","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/ath/ath12k/dp_tx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/be27a11a42b2190f817b198bf5e753e5e4ac849e"},{"url":"https://git.kernel.org/stable/c/d9d2a0466e981d1be95fc8bdc05806ea21def758"},{"url":"https://git.kernel.org/stable/c/b508f370f88f277c95e2bd3bc47217a96d668cee"},{"url":"https://git.kernel.org/stable/c/ee4f8e7fa578f9f28cef5f409677db25f4f83d7e"},{"url":"https://git.kernel.org/stable/c/05062834350f0bf7ad1abcebc2807220e90220eb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:37:10.261Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.15.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.16.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}