Search/CVE-2025-39890
● CVE — Medium

CVE-2025-39890

VendorlinuxProductlinux kernelDiscoveredSep 24, 2025UpdatedSep 26, 2026

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]…

CVSS v3.1
5.5 MEDIUM
EPSS
0.15%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
19
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.01pp
0.14% → 0.15% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Connections
21 relationships
Timeline
disclosure → media coverage
Sep 24, 2025
Disclosure — published as a CVE record. · last revised by NVD Sep 26, 2026
Sep 26, 2025
ubuntu.com reports: USN-7769-3: Linux kernel vulnerabilities
Oct 1, 2025
ubuntu.com reports: USN-7789-1: Linux kernel (Oracle) vulnerabilities
Oct 8, 2025
ubuntu.com reports: USN-7789-2: Linux kernel (Raspberry Pi) vulnerabilities
Feb 11, 2026
ubuntu.com reports: USN-8028-1: Linux kernel vulnerabilities
Feb 12, 2026
ubuntu.com reports: USN-8028-2: Linux kernel (Real-time) vulnerabilities
Feb 12, 2026
ubuntu.com reports: USN-8031-1: Linux kernel (GCP) vulnerabilities
Feb 17, 2026
ubuntu.com reports: USN-8028-3: Linux kernel (Real-time) vulnerabilities
Feb 17, 2026
ubuntu.com reports: USN-8028-4: Linux kernel (FIPS) vulnerabilities
Feb 17, 2026
ubuntu.com reports: USN-8028-5: Linux kernel vulnerabilities
Feb 18, 2026
ubuntu.com reports: USN-8031-2: Linux kernel (GCP FIPS) vulnerabilities
Feb 19, 2026
ubuntu.com reports: USN-8028-6: Linux kernel (HWE) vulnerabilities
Feb 19, 2026
ubuntu.com reports: USN-8031-3: Linux kernel vulnerabilities
Feb 19, 2026
ubuntu.com reports: USN-8052-1: Linux kernel (Low Latency) vulnerabilities
Feb 19, 2026
ubuntu.com reports: USN-8028-7: Linux kernel (Low Latency NVIDIA) vulnerabilities
Feb 24, 2026
ubuntu.com reports: USN-8028-8: Linux kernel (IBM) vulnerabilities
Feb 24, 2026
ubuntu.com reports: USN-8052-2: Linux kernel (Xilinx) vulnerabilities
Mar 4, 2026
ubuntu.com reports: USN-8074-1: Linux kernel (Azure) vulnerabilities
Mar 4, 2026
ubuntu.com reports: USN-8074-2: Linux kernel (Azure FIPS) vulnerabilities
Mar 25, 2026
ubuntu.com reports: USN-8126-1: Linux kernel (Azure) vulnerabilities