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CVE-2021-46908

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Date: February 27, 2024

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.

Language: C

Severity Score

Related Resources (5)

https://git.kernel.org/stable/c/4f3ff11204eac0ee23acf64deecb3bad7b0db0c6
https://git.kernel.org/stable/c/9601148392520e2e134936e76788fc2a6371e7be
https://nvd.nist.gov/vuln/detail/CVE-2021-46908
https://git.kernel.org/stable/c/4ccdc6c6cae38b91c871293fb0ed8c6845a61b51
https://www.mend.io/vulnerability-database/CVE-2021-46908

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): HIGH

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