CVE-2025-40284

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Source
https://cve.org/CVERecord?id=CVE-2025-40284
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40284.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-40284
Downstream
Related
Published
2025-12-06T21:51:08.488Z
Modified
2026-03-21T08:29:07.314142Z
Summary
Bluetooth: MGMT: cancel mesh send timer when hdev removed
Details

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

Bluetooth: MGMT: cancel mesh send timer when hdev removed

meshsenddone timer is not canceled when hdev is removed, which causes crash if the timer triggers after hdev is gone.

Cancel the timer when MGMT removes the hdev, like other MGMT timers.

Should fix the BUG: sporadically seen by BlueZ test bot (in "Mesh - Send cancel - 1" test).

Log:

BUG: KASAN: slab-use-after-free in runtimersoftirq+0x76b/0x7d0 ... Freed by task 36: kasansavestack+0x24/0x50 kasansavetrack+0x14/0x30 __kasansavefree_info+0x3a/0x60 __kasanslabfree+0x43/0x70 kfree+0x103/0x500 devicerelease+0x9a/0x210 kobjectput+0x100/0x1e0

vhci_release+0x18b/0x240

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40284.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
b338d91703fae6f6afd67f3f75caa3b8f36ddef3
Fixed
990e6143b0ca0c66f099d67d00c112bf59b30d76
Fixed
2927ff643607eddf4f03d10ef80fe10d977154aa
Fixed
7b6b6c077cad0601d62c3c34ab7ce3fb25deda7b
Fixed
fd62ca5ad136dcf6f5aa308423b299a6be6f54ea
Fixed
55fb52ffdd62850d667ebed842815e072d3c9961

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40284.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.1.0
Fixed
6.1.159
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.117
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.59
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.17.9

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40284.json"