Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.4.302 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082Patch
- https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0ePatch
- https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025ePatch
- https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465cPatch
- https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67Patch
- https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dbaPatch
- https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fbPatch
- https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29aPatch
- https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1cPatch
- https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082Patch
- https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0ePatch
- https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025ePatch
- https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465cPatch
- https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67Patch
- https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dbaPatch
FAQ
What is CVE-2021-47620?
CVE-2021-47620 is a vulnerability with a CVSS score of 8.1 (HIGH). 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,...
How severe is CVE-2021-47620?
CVE-2021-47620 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47620?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.