CVE-2023-1252
Last modified
CVE-2023-1252 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.6, < 5.10.80 |
| Linux | Linux Kernel | >= 5.11, < 5.14.19 |
| Linux | Linux Kernel | >= 5.15, < 5.15.3 |
References
- https://security.netapp.com/advisory/ntap-20230505-0005/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230505-0005/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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