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CVE-2021-4001Published

A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can …

Recorded JSON

Explicit identifiers and source references

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2021-4001 · Microsoft / collected KEV context

cve-program · CVE-2021-4001

Related operational evidence

Explicit CVE identifiers

No related operational record is retained in the current change model.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 16:53 UTC · 273 of 275 readable · 272 fully read · documentation 469/469 current

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