Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Use correct permission flag for mixed signed bounds arithmetic We forbid adding unknown scalars with mixed signed bounds due to the spectre v1 masking mitigation. Hence this also needs bypass_spec_v1 flag instead of allow_ptr_leaks.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.8.0, < 5.10.32 |
References
- https://git.kernel.org/stable/c/4ccdc6c6cae38b91c871293fb0ed8c6845a61b51Patch
- https://git.kernel.org/stable/c/4f3ff11204eac0ee23acf64deecb3bad7b0db0c6Patch
- https://git.kernel.org/stable/c/9601148392520e2e134936e76788fc2a6371e7bePatch
- https://git.kernel.org/stable/c/4ccdc6c6cae38b91c871293fb0ed8c6845a61b51Patch
- https://git.kernel.org/stable/c/4f3ff11204eac0ee23acf64deecb3bad7b0db0c6Patch
- https://git.kernel.org/stable/c/9601148392520e2e134936e76788fc2a6371e7bePatch
FAQ
What is CVE-2021-46908?
CVE-2021-46908 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: bpf: Use correct permission flag for mixed signed bounds arithmetic We forbid adding unknown scalars with mixed signed bounds due ...
How severe is CVE-2021-46908?
CVE-2021-46908 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-46908?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.