CVE-2026-43069
5.5 MEDIUMIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_ll: Fix firmware leak on error path Smatch reports: ...
Published: 2026-05-05 · Last updated: 2026-05-29
Severity and scoring
- CVSS
- 5.5 MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-401
Affected products
| Vendor | Product |
|---|---|
| linux | linux_kernel |
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_ll: Fix firmware leak on error path Smatch reports: drivers/bluetooth/hci_ll.c:587 download_firmware() warn: 'fw' from request_firmware() not released on lines: 544. In download_firmware(), if request_firmware() succeeds but the returned firmware content is invalid (no data or zero size), the function returns without releasing the firmware, resulting in a resource leak. Fix this by calling release_firmware() before returning when request_firmware() succeeded but the firmware content is invalid.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-43069
- [Patch]https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a
- [Patch]https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973
- [Patch]https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa
- [Patch]https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17
- [Patch]https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b
- [Patch]https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b
- [Patch]https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213
- [Patch]https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86
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