Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.6, < 5.10.80 |
Related Weaknesses (CWE)
References
- https://lore.kernel.org/lkml/20211115165433.449951285%40linuxfoundation.org/
- https://security.netapp.com/advisory/ntap-20230505-0005/Third Party Advisory
- https://lore.kernel.org/lkml/20211115165433.449951285%40linuxfoundation.org/
- https://security.netapp.com/advisory/ntap-20230505-0005/Third Party Advisory
FAQ
What is CVE-2023-1252?
CVE-2023-1252 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 o...
How severe is CVE-2023-1252?
CVE-2023-1252 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-1252?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.