CVE-2025-39890

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Source
https://cve.org/CVERecord?id=CVE-2025-39890
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39890.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-39890
Downstream
Related
Published
2025-09-24T11:02:53.539Z
Modified
2026-03-12T02:18:56.154663Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
wifi: ath12k: fix memory leak in ath12k_service_ready_ext_event
Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath12k: fix memory leak in ath12kservicereadyextevent

Currently, in ath12kservicereadyextevent(), svcrdyext.macphycaps 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): __kmallocnoprof+0x30b/0x410 ath12kwmimacphycapsparse+0x84/0x100 [ath12k] ath12kwmitlviter+0x5e/0x140 [ath12k] ath12kwmisvcrdyextparse+0x308/0x4c0 [ath12k] ath12kwmitlviter+0x5e/0x140 [ath12k] ath12kservicereadyextevent.isra.0+0x44/0xd0 [ath12k] ath12kwmioprx+0x2eb/0xd70 [ath12k] ath12khtcrxcompletionhandler+0x1f4/0x330 [ath12k] ath12kcerecvprocesscb+0x218/0x300 [ath12k] ath12kpciceworkqueue+0x1b/0x30 [ath12k] processonework+0x219/0x680 bhworker+0x198/0x1f0 taskletaction+0x13/0x30 handlesoftirqs+0xca/0x460 __irqexitrcu+0xbe/0x110 irqexitrcu+0x9/0x30

Free svcrdyext.macphycaps in the error case to fix this memory leak.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39890.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
d889913205cf7ebda905b1e62c5867ed4e39f6c2
Fixed
99dbad1b01d3b2f361a9db55c1af1212be497a3d
Fixed
3a392f874ac83a77ad0e53eb8aafdbeb787c9298
Fixed
1089f65b2de78c7837ef6b4f26146a5a5b0b9749
Fixed
89142d34d5602c7447827beb181fa06eb08b9d5c

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39890.json"