CVE-2026-43020None▾ SunlitIn 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 replyin…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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.
Linux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < 0f37d1e65c6d71ad94ccfb5c602163c525db789dLinux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < 257cdb960d8ff6d60bb6461b03c814b6cf0c9e64Linux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < c34577f517b556fb6ca173d45bf7e766ae2564ceLinux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < f71695e81f4cb428f3c7e2138eae88199005b52cLinux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < 82f342b3b006ca1d65f4890c05f2ec32fcb808b6Linux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < 50fb64defa72a3fecd0af1ca7c6b47b5c5c2b257Linux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < 40ba329e8b4cd2fb11b0caf5e6a543ceaebb6009Linux >= 346af67b8d116f01ef696fd47959a55deb2db8b6 < b8dbe9648d69059cfe3a28917bfbf7e61efd7f15Linux 3.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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