CVE-2025-39890

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-39890
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

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/1089f65b2de78c7837ef6b4f26146a5a5b0b9749 Patch
https://git.kernel.org/stable/c/3a392f874ac83a77ad0e53eb8aafdbeb787c9298 Patch
https://git.kernel.org/stable/c/89142d34d5602c7447827beb181fa06eb08b9d5c Patch
https://git.kernel.org/stable/c/99dbad1b01d3b2f361a9db55c1af1212be497a3d Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

12 Dec 2025, 18:45

Type Values Removed Values Added
CWE CWE-401
References () https://git.kernel.org/stable/c/1089f65b2de78c7837ef6b4f26146a5a5b0b9749 - () https://git.kernel.org/stable/c/1089f65b2de78c7837ef6b4f26146a5a5b0b9749 - Patch
References () https://git.kernel.org/stable/c/3a392f874ac83a77ad0e53eb8aafdbeb787c9298 - () https://git.kernel.org/stable/c/3a392f874ac83a77ad0e53eb8aafdbeb787c9298 - Patch
References () https://git.kernel.org/stable/c/89142d34d5602c7447827beb181fa06eb08b9d5c - () https://git.kernel.org/stable/c/89142d34d5602c7447827beb181fa06eb08b9d5c - Patch
References () https://git.kernel.org/stable/c/99dbad1b01d3b2f361a9db55c1af1212be497a3d - () https://git.kernel.org/stable/c/99dbad1b01d3b2f361a9db55c1af1212be497a3d - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

24 Sep 2025, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-24 11:15

Updated : 2025-12-12 18:45

NVD link : CVE-2025-39890

Mitre link : CVE-2025-39890

CVE.ORG link : CVE-2025-39890

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime