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CVE-2026-80692

Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.6.160, 6.9, 6.12.114, 6.18.57, 7.1.8
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c · fixed in f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805; From 881559af5f5c545f6828e7c74d79813eb886d523 · fixed in 301a4e2e89313dee10f0e8cb084daedbbe4a3dce; From 881559af5f5c545f6828e7c74d79813eb886d523 · fixed in a4de6fc95b2f36967fc247ae51cad2171194f7cd; From 881559af5f5c545f6828e7c74d79813eb886d523 · fixed in 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074; From 881559af5f5c545f6828e7c74d79813eb886d523 · fixed in 2f5d635ad5906b0235bc0c870e8beba3116e1e98; From 6.6.51 · fixed in 6.6.160; From 6.8.9 · fixed in 6.9

  • Linux Linux

    6.9

  • KernelLinux

    fixed in 6.6.160; From 6.7.0 · fixed in 6.12.114; From 6.9.0 · fixed in 6.18.57; From 6.13.0 · fixed in 7.1.8

References 5

git.kernel.org