CVE-2025-38606

一、漏洞信息
 漏洞编号：[CVE-2025-38606](https://nvd.nist.gov/vuln/detail/CVE-2025-38606)
 漏洞归属组件：[wpa_supplicant](https://gitee.com/src-openeuler/wpa_supplicant)
 漏洞归属的版本：2.10,2.11,2.6
 CVSS V3.0分值：
  BaseScore：N/A None
  Vector：CVSS：3.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:wifi: ath12k: Avoid accessing uninitialized arvif->ar during beacon missDuring beacon miss handling, ath12k driver iterates over active virtualinterfaces (vifs) and attempts to access the radio object (ar) viaarvif->deflink->ar.However, after commit aa80f12f3bed ( wifi: ath12k: defer vdev creation forMLO ), arvif is linked to a radio only after vdev creation, typically whena channel is assigned or a scan is requested.For P2P capable devices, a default P2P interface is created bywpa_supplicant along with regular station interfaces, these serve as dummyinterfaces for P2P-capable stations, lack an associated netdev and initiatefrequent scans to discover neighbor p2p devices. When a scan is initiatedon such P2P vifs, driver selects destination radio (ar) based on scanfrequency, creates a scan vdev, and attaches arvif to the radio. Once thescan completes or is aborted, the scan vdev is deleted, detaching arviffrom the radio and leaving arvif->ar uninitialized.While handling beacon miss for station interfaces, P2P interface is alsoencountered in the vif iteration and ath12k_mac_handle_beacon_miss_iter()tries to dereference the uninitialized arvif->deflink->ar.Fix this by verifying that vdev is created for the arvif before accessingits ar during beacon miss handling and similar vif iterator callbacks.========================================================================== wlp6s0: detected beacon loss from AP (missed 7 beacons) - probing KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 5 UID: 0 PID: 0 Comm: swapper/5 Not tainted 6.16.0-rc1-wt-ath+ #2 PREEMPT(full) RIP: 0010:ath12k_mac_handle_beacon_miss_iter+0xb5/0x1a0 [ath12k] Call Trace:  __iterate_interfaces+0x11a/0x410 [mac80211]  ieee80211_iterate_active_interfaces_atomic+0x61/0x140 [mac80211]  ath12k_mac_handle_beacon_miss+0xa1/0xf0 [ath12k]  ath12k_roam_event+0x393/0x560 [ath12k]  ath12k_wmi_op_rx+0x1486/0x28c0 [ath12k]  ath12k_htc_process_trailer.isra.0+0x2fb/0x620 [ath12k]  ath12k_htc_rx_completion_handler+0x448/0x830 [ath12k]  ath12k_ce_recv_process_cb+0x549/0x9e0 [ath12k]  ath12k_ce_per_engine_service+0xbe/0xf0 [ath12k]  ath12k_pci_ce_workqueue+0x69/0x120 [ath12k]  process_one_work+0xe3a/0x1430Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284.1-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
 漏洞公开时间：2025-08-20 01:15:38
 漏洞创建时间：2025-08-20 11:12:02
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-38606
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
|  | https://git.kernel.org/stable/c/1259b6da8303f70fef6ed4aef8ae3dedfecb0f27 |  |
|  | https://git.kernel.org/stable/c/36670b67de18f1e5d34900c5d2ac60a8970c293c |  |
|  | https://git.kernel.org/stable/c/9b861dfc5c07defd0191fd3e7288a3179cd9a02e |  |
|  | https://git.kernel.org/stable/c/9b861dfc5c07defd0191fd3e7288a3179cd9a02e |  |
|  | https://git.kernel.org/stable/c/1259b6da8303f70fef6ed4aef8ae3dedfecb0f27 |  |
|  | https://git.kernel.org/stable/c/36670b67de18f1e5d34900c5d2ac60a8970c293c |  |
|  | https://lore.kernel.org/linux-cve-announce/2025081922-CVE-2025-38606-0026@gregkh/T/#u |  |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  七彩瞬析开源风险感知平台
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
| gregkh/linux |  | https://git.kernel.org/stable/c/1259b6da8303f70fef6ed4aef8ae3dedfecb0f27 |  | ljqc |
|  |  | https://git.kernel.org/stable/c/1259b6da8303f70fef6ed4aef8ae3dedfecb0f27 |  | nvd |
|  |  | https://git.kernel.org/stable/c/36670b67de18f1e5d34900c5d2ac60a8970c293c |  | nvd |
|  |  | https://git.kernel.org/stable/c/9b861dfc5c07defd0191fd3e7288a3179cd9a02e |  | nvd |
|  |  | https://git.kernel.org/stable/c/9b861dfc5c07defd0191fd3e7288a3179cd9a02e |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/1259b6da8303f70fef6ed4aef8ae3dedfecb0f27 |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/36670b67de18f1e5d34900c5d2ac60a8970c293c |  | cvelistv5 |

</details>
 
二、漏洞分析结构反馈
 影响性分析说明：
  
 openEuler评分：
   
 受影响版本排查(受影响/不受影响)：
  1.master(2.11):
2.openEuler-20.03-LTS-SP4(2.6):
3.openEuler-22.03-LTS-SP3(2.6):
4.openEuler-22.03-LTS-SP4(2.6):
5.openEuler-24.03-LTS(2.10):
6.openEuler-24.03-LTS-Next(2.11):
7.openEuler-24.03-LTS-SP1(2.11):
8.openEuler-24.03-LTS-SP2(2.11):

修复是否涉及abi变化(是/否)：
  1.master(2.11):
2.openEuler-20.03-LTS-SP4(2.6):
3.openEuler-22.03-LTS-SP3(2.6):
4.openEuler-22.03-LTS-SP4(2.6):
5.openEuler-24.03-LTS(2.10):
6.openEuler-24.03-LTS-Next(2.11):
7.openEuler-24.03-LTS-SP1(2.11):
8.openEuler-24.03-LTS-SP2(2.11):

原因说明：
  1.master(2.11):
2.openEuler-20.03-LTS-SP4(2.6):
3.openEuler-22.03-LTS-SP3(2.6):
4.openEuler-22.03-LTS-SP4(2.6):
5.openEuler-24.03-LTS(2.10):
6.openEuler-24.03-LTS-Next(2.11):
7.openEuler-24.03-LTS-SP1(2.11):
8.openEuler-24.03-LTS-SP2(2.11):

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CVE-2025-38606

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