A AegiFlow
MEDIUMCVSS 5.5

CVE-2021-45402

CVE-2021-45402 updated by NVD

Modified
2026-10-10
Sources
nvd

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."

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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