CVE-2021-47620

Summary

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: refactor malicious adv data check

Check for out-of-bound read was being performed at the end of while num_reports loop, and would fill journal with false positives. Added check to beginning of loop processing so that it doesn't get checked after ptr has been advanced.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux048acfa4daf167b007b6bd8bef474e90c2282a5f < 305e92f525450f3e1b5f5c9dc7eadb152d66a082affected
LinuxLinux7d4238edd3bf8b8c75571cc3b382bc10438ac588 < 7889b38a7f21ed19314f83194622b195d328465caffected
LinuxLinux185c77cbb53bc7481acc5a0b4e6119bbe393d561 < 5a539c08d743d9910631448da78af5e961664c0eaffected
LinuxLinux4a1491432394b22e585a185ffca49086e4046aae < 8819f93cd4a443dfe547aa622b21f723757df3fbaffected
LinuxLinux24161b9c43de966789d5956428f45002d10f878e < 835d3706852537bf92eb23eb8635b8dee0c0aa67affected
LinuxLinuxffc9019bd991707701273c2e5d8aed472229fc4d < 83d5196b65d1b29e27d7dd16a3b9b439fb1d2dbaaffected
LinuxLinux2de0e6a71ceb056e17e4684dce8b7640367996f9 < bcea886771c3f22a590c8c8b9139a107bd7f1e1caffected
LinuxLinux640a476e38fce6c70c738ac09e5167e34f570303 < 5c968affa804ba98c3c603f37ffea6fba618025eaffected
LinuxLinux3a56ef719f0b9682afb8a86d64b2399e36faa4e6 < 899663be5e75dc0174dc8bda0b5e6826edf0b29aaffected
LinuxLinux4.4.300 < 4.4.302affected
LinuxLinux4.9.298 < 4.9.300affected
LinuxLinux4.14.263 < 4.14.265affected
LinuxLinux4.19.226 < 4.19.228affected
LinuxLinux5.4.174 < 5.4.176affected
LinuxLinux5.10.94 < 5.10.96affected
LinuxLinux5.15.17 < 5.15.19affected
LinuxLinux5.16.3 < 5.16.5affected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References