VDB

CVE-2026-43069

CVE-2026-43069 PUBLISHED CVSS 9.300000190734863 CRITICAL

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.

EPSS 0.01% · 2.4th percentile

Risk Scores

CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.01%
2.4th percentile

Affected Products

VendorProductVersions
LinuxLinux6.12.80, 6.18.21, 6.19.11
linuxlinux_kernel4.12, 4.12, 4.12

Timeline

  • May 5, 2026 CVE Published
  • May 5, 2026 PoC Published
  • May 5, 2026 Security Advisory
  • May 6, 2026 CVE Updated
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
  • May 25, 2026 EPSS Score
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