5.5

CVE-2026-43069

Bluetooth: hci_ll: Fix firmware leak on error path

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.12 < 5.10.253
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.203
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.168
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.131
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.80
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.21
Linux ≫ Linux Kernel Version >= 6.19 < 6.19.11
Linux ≫ Linux Kernel Version7.0 Updaterc1
Linux ≫ Linux Kernel Version7.0 Updaterc2
Linux ≫ Linux Kernel Version7.0 Updaterc3
Linux ≫ Linux Kernel Version7.0 Updaterc4
Linux ≫ Linux Kernel Version7.0 Updaterc5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.11% 0.018
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

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