CVE-2023-53165: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: udf: Fix uninitialized array access for some pathnames For filenames that begin with . and are between 2 and 5 characters long, UDF charset conversion code would read uninitialized memory in the output buffer. The only practical impact is that the name may be prepended a "unification hash" when it is not actually needed but still it is good to fix this.

Affected products

• Linux Linux Kernel: from 4.6, before 4.14.324 (fixed in 4.14.324); from 4.15, before 4.19.293 (fixed in 4.19.293); from 4.20, before 5.4.255 (fixed in 5.4.255); from 5.5, before 5.10.192 (fixed in 5.10.192); from 5.11, before 5.15.123 (fixed in 5.15.123); from 5.16, before 6.1.42 (fixed in 6.1.42); …

Published 2025-09-15. Last modified 2026-06-17.