cvedb.io
CVE-2021-45402
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2022-02-11T15:15:07.687 · Last modified 2026-06-17T04:13:20.270

Summary

The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.