PT-2026-37072 · Linux · Linux Kernel

Published 2026-05-05 · Updated 2026-05-29 · CVE-2026-43069

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A resource leak exists in the Bluetooth component. In the download firmware() function, if request firmware() succeeds but the returned firmware content is invalid, such as having no data or zero size, the function returns without releasing the firmware. This occurs specifically when the fw variable is not released.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2026-43069

Affected Products

Linux Kernel

References · 20

• https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17 · Patch
• https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa · Patch
• https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-43069 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2026-43069 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-43069 · Security Note
• https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86 · Patch
• https://ubuntu.com/security/CVE-2026-43069 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43069 · Vendor Advisory
• https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a · Patch
• https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b · Patch
• https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213 · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-43069 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43069 · Vendor Advisory
• https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b · Patch