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CVE-2021-47123 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d
https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d
https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba
https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba

Weakness Enumeration

CWE-ID CWE Name Source

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47123
NVD Published Date:
03/15/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org