CVEvulnerability
CVE-2023-1252
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-03-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (>= 5.6 < 5.10.80)
• linux linux kernel (>= 5.11 < 5.14.19)
• linux linux kernel (>= 5.15 < 5.15.3)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://lore.kernel.org/lkml/20211115165433.449951285%40linuxfoundation.org/ lore.kernel.org
- https://security.netapp.com/advisory/ntap-20230505-0005/ Third Party Advisory
- https://lore.kernel.org/lkml/20211115165433.449951285%40linuxfoundation.org/ lore.kernel.org
- https://security.netapp.com/advisory/ntap-20230505-0005/ Third Party Advisory