CVE-2022-4127

State: Published
Severity: 5.5 Medium
Published: Nov 28, 2022
Updated: Apr 14, 2025
Reserved: Nov 23, 2022

Description

A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476

Affected Products

Product	Versions
Linux kernel (io_uring)n/a	Fixed in 5.19Affected

References

https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/
https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b

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