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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Ubuntu USN |
USN-8162-1 | Linux kernel (NVIDIA Tegra) vulnerabilities |
Ubuntu USN |
USN-8180-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8180-2 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-8186-1 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-8187-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-8188-1 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-8180-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8180-4 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-8180-5 | Linux kernel (IBM) vulnerabilities |
Ubuntu USN |
USN-8243-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8180-6 | Linux kernel (Raspberry Pi) vulnerabilities |
Fri, 06 Feb 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Tue, 03 Feb 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-401 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Wed, 08 Oct 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Vendors & Products |
Linux
Linux linux Kernel |
Wed, 08 Oct 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 07 Oct 2025 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup} | |
| References |
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:49:29.602Z
Reserved: 2025-10-07T15:16:59.662Z
Link: CVE-2023-53662
No data.
Status : Modified
Published: 2025-10-07T16:15:49.927
Modified: 2026-02-06T17:16:13.520
Link: CVE-2023-53662
OpenCVE Enrichment
Updated: 2025-10-08T13:36:52Z
Ubuntu USN