{"id":"CVE-2025-38199","title":"wifi: ath12k: Fix memory leak due to multiple rx_stats allocation","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix memory leak due to multiple rx_stats allocation\n\nrx_stats for each arsta is allocated when adding a station.\narsta->rx_stats will be freed when a stat…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 2c4b122c75581331177686f68a08981371147d37","Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 232f962ae5fca98912a719e64b4964a5aec7c99b","Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < c426497fa2055c8005196922e7d29c41d7e0948a","Linux 6.3"],"published":"2025-07-04","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:36:50.145Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38199","references":[{"url":"https://git.kernel.org/stable/c/2c4b122c75581331177686f68a08981371147d37"},{"url":"https://git.kernel.org/stable/c/232f962ae5fca98912a719e64b4964a5aec7c99b"},{"url":"https://git.kernel.org/stable/c/c426497fa2055c8005196922e7d29c41d7e0948a"}],"tags":["cve.org"],"epss":0.00208,"epssPercentile":0.10882,"ingestedAt":"2026-10-21T12:48:53.706Z","slug":"CVE-2025-38199","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix memory leak due to multiple rx_stats allocation\n\nrx_stats for each arsta is allocated when adding a station.\narsta->rx_stats will be freed when a station is removed.\n\nRedundant allocations are occurring when the same station is added\nmultiple times. This causes ath12k_mac_station_add() to be called\nmultiple times, and rx_stats is allocated each time. As a result there\nis memory leaks.\n\nPrevent multiple allocations of rx_stats when ath12k_mac_station_add()\nis called repeatedly by checking if rx_stats is already allocated\nbefore allocating again. Allocate arsta->rx_stats if arsta->rx_stats\nis NULL respectively.\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3\n\n## Affected\n\n- `Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 2c4b122c75581331177686f68a08981371147d37`\n- `Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 232f962ae5fca98912a719e64b4964a5aec7c99b`\n- `Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < c426497fa2055c8005196922e7d29c41d7e0948a`\n- `Linux 6.3`\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":[]}