CVE-2026-43069

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-43069
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
History

29 May 2026, 17:53

Type Values Removed Values Added
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a - () https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a - Patch
References () https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973 - () https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973 - Patch
References () https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa - () https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa - Patch
References () https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17 - () https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17 - Patch
References () https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b - () https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b - Patch
References () https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b - () https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b - Patch
References () https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213 - () https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213 - Patch
References () https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86 - () https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86 - Patch
CWE CWE-401
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*

05 May 2026, 16:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-05 16:16

Updated : 2026-05-29 17:53

NVD link : CVE-2026-43069

Mitre link : CVE-2026-43069

CVE.ORG link : CVE-2026-43069

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime