CVE-2023-53285: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in get_max_inline_xattr_value_size() Normally the extended attributes in the inode body would have been checked when the inode is first opened, but if someone is writing to the block device while the file system is mounted, it's possible for the inode table to get corrupted. Add bounds checking to avoid reading beyond the end of allocated memory if this happens.

Affected products

• Linux Linux Kernel: before 4.14.315 (fixed in 4.14.315); from 4.15, before 4.19.283 (fixed in 4.19.283); from 4.20, before 5.4.243 (fixed in 5.4.243); from 5.5, before 5.10.180 (fixed in 5.10.180); from 5.11, before 5.15.112 (fixed in 5.15.112); from 5.16, before 6.1.29 (fixed in 6.1.29); …

Published 2025-09-16. Last modified 2026-08-04.