cvedb.io
CVE-2023-1252
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2023-03-23T21:15:19.287 · Last modified 2026-06-17T05:27:28.107

Summary

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 ("ovl: fix use after free in struct ovl_aio_req") not applied yet, the kernel could be affected.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.