CVE-2021-47620: Bluetooth: refactor malicious adv data check
First published: Thu Jun 20 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <4.4.302 | |
| Linux Linux kernel | >=4.5<4.9.300 | |
| Linux Linux kernel | >=4.10<4.14.265 | |
| Linux Linux kernel | >=4.15<4.19.228 | |
| Linux Linux kernel | >=4.20<5.4.176 | |
| Linux Linux kernel | >=5.5<5.10.96 | |
| Linux Linux kernel | >=5.11<5.15.19 | |
| Linux Linux kernel | >=5.16<5.16.5 |
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Reference Links
- https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082
- https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c
- https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e
- https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb
- https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67
- https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba
- https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c
- https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e
- https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a
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