{"id":"CVE-2025-38605","title":"wifi: ath12k: Pass ab pointer directly to ath12k_dp_tx_get_encap_type()","summary":"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. …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < be27a11a42b2190f817b198bf5e753e5e4ac849e","Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < d9d2a0466e981d1be95fc8bdc05806ea21def758","Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < b508f370f88f277c95e2bd3bc47217a96d668cee","Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < ee4f8e7fa578f9f28cef5f409677db25f4f83d7e","Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < 05062834350f0bf7ad1abcebc2807220e90220eb","Linux 6.4"],"published":"2025-08-19","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:37:10.261Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38605","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"}],"tags":["cve.org"],"epss":0.00197,"epssPercentile":0.09324,"ingestedAt":"2026-10-21T12:48:53.701Z","slug":"CVE-2025-38605","body":"## Overview\n\nIn 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\n\n## Affected\n\n- `Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < be27a11a42b2190f817b198bf5e753e5e4ac849e`\n- `Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < d9d2a0466e981d1be95fc8bdc05806ea21def758`\n- `Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < b508f370f88f277c95e2bd3bc47217a96d668cee`\n- `Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < ee4f8e7fa578f9f28cef5f409677db25f4f83d7e`\n- `Linux >= e93bbd65547ea8073b707c9034c3f051f8018614 < 05062834350f0bf7ad1abcebc2807220e90220eb`\n- `Linux 6.4`\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":[]}