CVE-2025-39890
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-39890
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39890.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-39890
- Downstream
- Related
- Published
- 2025-09-24T11:02:53Z
- Modified
- 2025-10-22T17:05:15.333110Z
- 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
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1089f65b2de78c7837ef6b4f26146a5a5b0b9749
- https://git.kernel.org/stable/c/3a392f874ac83a77ad0e53eb8aafdbeb787c9298
- https://git.kernel.org/stable/c/89142d34d5602c7447827beb181fa06eb08b9d5c
- https://git.kernel.org/stable/c/99dbad1b01d3b2f361a9db55c1af1212be497a3d
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
-
Introducedd889913205cf7ebda905b1e62c5867ed4e39f6c2Fixed99dbad1b01d3b2f361a9db55c1af1212be497a3d
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedd889913205cf7ebda905b1e62c5867ed4e39f6c2Fixed3a392f874ac83a77ad0e53eb8aafdbeb787c9298
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedd889913205cf7ebda905b1e62c5867ed4e39f6c2Fixed1089f65b2de78c7837ef6b4f26146a5a5b0b9749
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedd889913205cf7ebda905b1e62c5867ed4e39f6c2Fixed89142d34d5602c7447827beb181fa06eb08b9d5c