{"cve":"CVE-2025-39890","nvd":{"published":"2025-09-24T11:15:32.920","modified":"2026-09-26T00:10:00.127","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix memory leak in ath12k_service_ready_ext_event\n\nCurrently, in ath12k_service_ready_ext_event(), svc_rdy_ext.mac_phy_caps\nis not freed in the failure case, causing a memory leak. The following\ntrace is observed in kmemleak:\n\nunreferenced object 0xffff8b3eb5789c00 (size 1024):\n comm \"softirq\", pid 0, jiffies 4294942577\n hex dump (first 32 bytes):\n   00 00 00 00 01 00 00 00 00 00 00 00 7b 00 00 10  ............{...\n   01 00 00 00 00 00 00 00 01 00 00 00 1f 38 00 00  .............8..\n backtrace (crc 44e1c357):\n   __kmalloc_noprof+0x30b/0x410\n   ath12k_wmi_mac_phy_caps_parse+0x84/0x100 [ath12k]\n   ath12k_wmi_tlv_iter+0x5e/0x140 [ath12k]\n   ath12k_wmi_svc_rdy_ext_parse+0x308/0x4c0 [ath12k]\n   ath12k_wmi_tlv_iter+0x5e/0x140 [ath12k]\n   ath12k_service_ready_ext_event.isra.0+0x44/0xd0 [ath12k]\n   ath12k_wmi_op_rx+0x2eb/0xd70 [ath12k]\n   ath12k_htc_rx_completion_handler+0x1f4/0x330 [ath12k]\n   ath12k_ce_recv_process_cb+0x218/0x300 [ath12k]\n   ath12k_pci_ce_workqueue+0x1b/0x30 [ath12k]\n   process_one_work+0x219/0x680\n   bh_worker+0x198/0x1f0\n   tasklet_action+0x13/0x30\n   handle_softirqs+0xca/0x460\n   __irq_exit_rcu+0xbe/0x110\n   irq_exit_rcu+0x9/0x30\n\nFree svc_rdy_ext.mac_phy_caps in the error case to fix this memory leak.\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/1089f65b2de78c7837ef6b4f26146a5a5b0b9749","https://git.kernel.org/stable/c/3a392f874ac83a77ad0e53eb8aafdbeb787c9298","https://git.kernel.org/stable/c/89142d34d5602c7447827beb181fa06eb08b9d5c","https://git.kernel.org/stable/c/99dbad1b01d3b2f361a9db55c1af1212be497a3d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2025-39890","score":0.00149,"percentile":0.04041,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}