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Case File

CVE-2021-41073

HIGH · CVSS 7.8 EPSS 1.72% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-41073
Severity
HIGH
CVSS
7.8
EPSS
1.72%
Linux

Original NVD Description

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.