AUGUST 4, 2026
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Case File

CVE-2021-47123

HIGH · CVSS 7.8 EPSS 0.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-03-15 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2021-47123
Severity
HIGH
CVSS
7.8
EPSS
0.22%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

Related CVEs

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