CVE-2021-4001 Detail
This vulnerability is currently awaiting analysis.
Description
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 modify the frozen mapped address space. This flaw affects kernel versions prior to 5.16 rc2.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization (‘Race Condition’) | Red Hat, Inc. |
Change History
0 change records found show changes
Quick Info
CVE Dictionary Entry:
CVE-2021-4001
NVD Published Date:
01/21/2022
NVD Last Modified:
01/21/2022
Source:
Red Hat, Inc.