wifi: ath12k: fix memory leak in ath12k_service_ready_ext_event

{
  "id": "24ce8a23bffcaccdb25066c732bd0aa8b418aa691502c95a628f9001b274838d",
  "url": "https://osv.dev/vulnerability/CVE-2025-39890",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "wifi: ath12k: fix memory leak in ath12k_service_ready_ext_event",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix memory leak in ath12k_service_ready_ext_event Currently, in ath12k_service_ready_ext_event(), svc_rdy_ext.mac_phy_caps is not freed in the failure case, causing a memory leak. The following trace is observed in kmemleak: unreferenced object 0xffff8b3eb5789c00 (size 1024): comm \"softirq\", pid 0, jiffies 4294942577 hex dump (first 32 bytes): 00 00 00 00 01 00 00 00 00 00 00 00 7b 00 00 10 ............{... 01 00 00 00 00 00 00 00 01 00 00 00 1f 38 00 00 .............8.. backtrace (crc 44e1c357): __kmalloc_noprof+0x30b/0x410 ath12k_wmi_mac_phy_caps_parse+0x84/0x100 [ath12k] ath12k_wmi_tlv_iter+0x5e/0x140 [ath12k] ath12k_wmi_svc_rdy_ext_parse+0x308/0x4c0 [ath12k] ath12k_wmi_tlv_iter+0x5e/0x140 [ath12k] ath12k_service_ready_ext_event.isra.0+0x44/0xd0 [ath12k] ath12k_wmi_op_rx+0x2eb/0xd70 [ath12k] ath12k_htc_rx_completion_handler+0x1f4/0x330 [ath12k] ath12k_ce_recv_process_cb+0x218/0x300 [ath12k] ath12k_pci_ce_workqueue+0x1b/0x30 [ath12k] process_one_work+0x219/0x680 bh_worker+0x198/0x1f0 tasklet_action+0x13/0x30 handle_softirqs+0xca/0x460 __irq_exit_rcu+0xbe/0x110 irq_exit_rcu+0x9/0x30 Free svc_rdy_ext.mac_phy_caps in the error case to fix this memory leak. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1",
    "evidence": "osv:CVE-2025-39890",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.94",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.15.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-39890",
      "aliases": [
        "CVE-2025-39890"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "d889913205cf7ebda905b1e62c5867ed4e39f6c2"
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                {
                  "fixed": "99dbad1b01d3b2f361a9db55c1af1212be497a3d"
                },
                {
                  "fixed": "3a392f874ac83a77ad0e53eb8aafdbeb787c9298"
                },
                {
                  "fixed": "1089f65b2de78c7837ef6b4f26146a5a5b0b9749"
                },
                {
                  "fixed": "89142d34d5602c7447827beb181fa06eb08b9d5c"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39890.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.3.0"
                },
                {
                  "fixed": "6.6.94"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.34"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.15.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39890.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.093436511Z",
      "provider": "osv",
      "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",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39890.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39890",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39890.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-39890",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490332,
  "published_at": "2025-09-24T11:02:53.539+00:00"
}