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CVE-2025-39890 (GCVE-0-2025-39890)

Vulnerability from cvelistv5 – Published: 2025-09-24 11:02 – Updated: 2026-05-11 21:38
VLAI
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
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 17:35 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 99dbad1b01d3b2f361a9db55c1af1212be497a3d (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 3a392f874ac83a77ad0e53eb8aafdbeb787c9298 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 1089f65b2de78c7837ef6b4f26146a5a5b0b9749 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 89142d34d5602c7447827beb181fa06eb08b9d5c (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.94 , ≤ 6.6.* (semver)
Unaffected: 6.12.34 , ≤ 6.12.* (semver)
Unaffected: 6.15.3 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-39890\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T17:35:11.239595Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T17:32:46.325Z\"}}], \"cna\": {\"title\": \"wifi: ath12k: fix memory leak in ath12k_service_ready_ext_event\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"99dbad1b01d3b2f361a9db55c1af1212be497a3d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"3a392f874ac83a77ad0e53eb8aafdbeb787c9298\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"1089f65b2de78c7837ef6b4f26146a5a5b0b9749\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"89142d34d5602c7447827beb181fa06eb08b9d5c\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath12k/wmi.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.3\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.3\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.94\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.34\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.15.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.16\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath12k/wmi.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/99dbad1b01d3b2f361a9db55c1af1212be497a3d\"}, {\"url\": \"https://git.kernel.org/stable/c/3a392f874ac83a77ad0e53eb8aafdbeb787c9298\"}, {\"url\": \"https://git.kernel.org/stable/c/1089f65b2de78c7837ef6b4f26146a5a5b0b9749\"}, {\"url\": \"https://git.kernel.org/stable/c/89142d34d5602c7447827beb181fa06eb08b9d5c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.94\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.34\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.15.3\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.16\", \"versionStartIncluding\": \"6.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-09-24T11:02:53.539Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-39890\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-14T17:35:29.384Z\", \"dateReserved\": \"2025-04-16T07:20:57.145Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-24T11:02:53.539Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.