CVE-2025-39890 (GCVE-0-2025-39890)
Vulnerability from cvelistv5 – Published: 2025-09-24 11:02 – Updated: 2026-05-11 21:38
VLAI
EPSS
VEX
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)
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
2 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 | |
| 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 |
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"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"
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"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: ath12k: Soluciona una fuga de memoria en ath12k_service_ready_ext_event\n\nActualmente, en ath12k_service_ready_ext_event(), svc_rdy_ext.mac_phy_caps no se libera en caso de fallo, causando una fuga de memoria. Se observa el siguiente rastro en kmemleak:\n\nobjeto sin referencia 0xffff8b3eb5789c00 (tama\u00f1o 1024):\n comm \u201csoftirq\u201d, pid 0, jiffies 4294942577\n volcado hexadecimal (primeros 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 rastreo de pila (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\nLiberar svc_rdy_ext.mac_phy_caps en caso de error para solucionar esta fuga de memoria.\n\nProbado en: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1"
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-30T01:24:19+00:00",
"cve": "CVE-2025-39890",
"id": "CVE-2025-39890",
"initial_release_date": "2025-09-24T00:00:00+00:00",
"product_status:known_affected": "184",
"product_status:known_not_affected": "90",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Linux kernel ath12k Wi-Fi memory leak",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-39890.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-23T00:36:17Z",
"cve": "CVE-2025-39890",
"id": "CVE-2025-39890",
"initial_release_date": "2025-09-24T23:22:35Z",
"product_status:first_fixed": "2",
"product_status:known_affected": "441",
"product_status:known_not_affected": "410",
"product_status:recommended": "366",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2025-39890",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-39890.json",
"version": "49"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2025-39890",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-14T17:35:11.239595Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-401",
"description": "CWE-401 Missing Release of Memory after Effective Lifetime",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-14T17:32:46.325Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/ath/ath12k/wmi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "99dbad1b01d3b2f361a9db55c1af1212be497a3d",
"status": "affected",
"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2",
"versionType": "git"
},
{
"lessThan": "3a392f874ac83a77ad0e53eb8aafdbeb787c9298",
"status": "affected",
"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2",
"versionType": "git"
},
{
"lessThan": "1089f65b2de78c7837ef6b4f26146a5a5b0b9749",
"status": "affected",
"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2",
"versionType": "git"
},
{
"lessThan": "89142d34d5602c7447827beb181fa06eb08b9d5c",
"status": "affected",
"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/ath/ath12k/wmi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.3"
},
{
"lessThan": "6.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.94",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.34",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.15.*",
"status": "unaffected",
"version": "6.15.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.16",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.94",
"versionStartIncluding": "6.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.34",
"versionStartIncluding": "6.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.15.3",
"versionStartIncluding": "6.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16",
"versionStartIncluding": "6.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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"
}
],
"providerMetadata": {
"dateUpdated": "2025-09-24T11:02:53.539Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"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"
}
],
"title": "wifi: ath12k: fix memory leak in ath12k_service_ready_ext_event",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-39890",
"datePublished": "2025-09-24T11:02:53.539Z",
"dateReserved": "2025-04-16T07:20:57.145Z",
"dateUpdated": "2026-01-14T17:35:29.384Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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