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Vulnerabilities CVE-2026-43020

CVE-2026-43020

None
Open
TLP:CLEAR

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Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate LTK enc_size on load Load Long Term Keys stores the user-provided enc_size and later uses it to size fixed-size stack operations when replying to LE LTK requests. An enc_size larger than the 16-byte key buffer can therefore overflow the reply stack buffer. Reject oversized enc_size values while validating the management LTK record so invalid keys never reach the stored key state.

Details

EPSS Score
0.13%

3th percentile

Confidence
90%
Published
May 1, 2026
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