Vulnerabilities > CVE-2021-46908 - Unspecified vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
References
- https://git.kernel.org/stable/c/4ccdc6c6cae38b91c871293fb0ed8c6845a61b51
- https://git.kernel.org/stable/c/4ccdc6c6cae38b91c871293fb0ed8c6845a61b51
- https://git.kernel.org/stable/c/4f3ff11204eac0ee23acf64deecb3bad7b0db0c6
- https://git.kernel.org/stable/c/4f3ff11204eac0ee23acf64deecb3bad7b0db0c6
- https://git.kernel.org/stable/c/9601148392520e2e134936e76788fc2a6371e7be
- https://git.kernel.org/stable/c/9601148392520e2e134936e76788fc2a6371e7be