CVE-2023-53662
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup} If the filename casefolding fails, we'll be leaking memory from the fscrypt_name struct, namely from the 'crypto_buf.name' member. Make sure we free it in the error path on both ext4_fname_setup_filename() and ext4_fname_prepare_lookup() functions.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedOct 7, 2025
First seenOct 7, 2025
How to fix
Update
- linux linux_kernel6.1.54, 6.5.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.13 ≤ v < 6.1.54, 6.2 ≤ v < 6.5.4 | 6.1.54, 6.5.4 |
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