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THREAT OPS › Threat News › [NVD] CVE-2021-46908 (HIGH 7.1) — 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

[NVD] CVE-2021-46908 (HIGH 7.1) — 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

lownvdPublished 2024-02-27

CVE-2021-46908 CVSS: 7.1 HIGH Published: 2024-02-27T07:15:06.977

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.

Indicators of compromise

CVE-2021-46908cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-46908