CVEvulnerability
CVE-2026-43069
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-05
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
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.
Affected configurations
• linux linux kernel (>= 4.12 < 5.10.253)
• linux linux kernel (>= 5.11 < 5.15.203)
• linux linux kernel (>= 5.16 < 6.1.168)
• linux linux kernel (>= 6.2 < 6.6.131)
• linux linux kernel (>= 6.7 < 6.12.80)
• linux linux kernel (>= 6.13 < 6.18.21)
• linux linux kernel (>= 6.19 < 6.19.11)
• linux linux kernel 7.0
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- 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 Patch