wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi In certain cases, hardware might provide packets with a length greater than the maximum native Wi-Fi header length. This can lead to accessing and modifying fields in the header within the ath12k_dp_rx_h_undecap_nwifi function for DP_RX_DECAP_TYPE_NATIVE_WIFI decap type and potentially resulting in invalid data access and memory corruption. Add a sanity check before processing the SKB to prevent invalid data access in the undecap native Wi-Fi function for the DP_RX_DECAP_TYPE_NATIVE_WIFI decap type. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 6.3 and later | 6.6.88, 6.12.24, 6.13.12, 6.14.3, 6.15 | Patch available | CNA |
- Linux VendorLinux Affected 6.3 and later Fixed in 6.6.88, 6.12.24, 6.13.12, 6.14.3, 6.15 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.3 to before 6.6.88; 6.7 to before 6.12.24; 6.13 to before 6.13.12; 6.14 to before 6.14.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.3 to before 6.6.88; 6.7 to before 6.12.24; 6.13 to before 6.13.12; 6.14 to before 6.14.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.88, 6.12.24, 6.13.12, 6.14.3, 6.15
Red Hat 3 advisories
- RHSA-2025:9068 Released 2025-06-16 · Red Hat rating Importantkpatch-patch-5_14_0-570_17_1 security update
- Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-570_17_1-1-1.el9_6
- RHSA-2025:8669 Released 2025-06-09 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-55.16.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.16.1.el10_0, kernel-64k-devel-6.12.0-55.16.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-55.16.1.el10_0, kernel-64k-6.12.0-55.16.1.el10_0, kernel-64k-core-6.12.0-55.16.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-55.16.1.el10_0, libperf-6.12.0-55.16.1.el10_0
- Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-55.16.1.el10_0, kernel-rt-64k-6.12.0-55.16.1.el10_0, kernel-rt-64k-core-6.12.0-55.16.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-55.16.1.el10_0, kernel-rt-core-6.12.0-55.16.1.el10_0, kernel-rt-debug-6.12.0-55.16.1.el10_0 +11
- RHSA-2025:8643 Released 2025-06-09 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-570.21.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.21.1.el9_6, kernel-64k-devel-5.14.0-570.21.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-570.21.1.el9_6, kernel-64k-5.14.0-570.21.1.el9_6, kernel-64k-core-5.14.0-570.21.1.el9_6 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-570.21.1.el9_6, libperf-5.14.0-570.21.1.el9_6
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-570.21.1.el9_6, kernel-rt-64k-5.14.0-570.21.1.el9_6, kernel-rt-64k-core-5.14.0-570.21.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-570.21.1.el9_6, kernel-rt-core-5.14.0-570.21.1.el9_6, kernel-rt-debug-5.14.0-570.21.1.el9_6 +11
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:8669 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:8643 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2025:8669 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:8643, RHSA-2025:9068 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:8669 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:8643 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2025:8669 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:8643 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2025:8669 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:8643 |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-37943
- 2026-10-03 Alias added: GHSA-38h5-7v7x-v6pw
References
Patch 5
- https://git.kernel.org/stable/c/7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c
- https://git.kernel.org/stable/c/3abe15e756481c45f6acba3d476cb3ca4afc3b61
- https://git.kernel.org/stable/c/6ee653194ddb83674913fd2727b8ecfae0597ade
- https://git.kernel.org/stable/c/50be1fb76556e80af9f5da80f28168b6c71bce58
- https://git.kernel.org/stable/c/9a0dddfb30f120db3851627935851d262e4e7acb
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- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2025-37943 · CVE Program
- CVE-2025-37943 · NVD
- FIRST EPSS
- GHSA-38h5-7v7x-v6pw · GitHub Advisory Database · CC BY 4.0
- CVE-2025-37943 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences