CVE-2026-43069
Bluetooth: hci_ll: Fix firmware leak on error path
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 5, 2026 |
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Affected Versions
Linux / Linux
371805522f870986144fcd88727a47858e364a2c < 95e8601af227b2b4390eecf8db6abdb9f6a91f17 371805522f870986144fcd88727a47858e364a2c < e6d95488c8c964d1df0d3e1db44c958706311e86 371805522f870986144fcd88727a47858e364a2c < b2dfbf1b5ff192cefd49574b951a4af9ddd32213 371805522f870986144fcd88727a47858e364a2c < 28904375d54b436a757641fb0331537778c0de5a 371805522f870986144fcd88727a47858e364a2c < 5213ef54528dd1ac79b846e30d8f72ce092794aa 371805522f870986144fcd88727a47858e364a2c < 9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b 371805522f870986144fcd88727a47858e364a2c < a7803df606a7d22e896b030f619e1d9d20ae0c6b 371805522f870986144fcd88727a47858e364a2c < 31148a7be723aa9f2e8fbd62424825ab8d577973
Linux / Linux
4.12
References
git.kernel.org: https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17 git.kernel.org: https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86 git.kernel.org: https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213 git.kernel.org: https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a git.kernel.org: https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa git.kernel.org: https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b git.kernel.org: https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b git.kernel.org: https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973