CVE-2023-53377 - CVE House
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Status published Unknown CVE-2023-53377

cifs: prevent use-after-free by freeing the cfile later

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent use-after-free by freeing the cfile later In smb2_compound_op we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixing it by moving the cfile free call to a few lines below, after the usage.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
76894f3e2f71177747b8b4763fb180e800279585, 2d046892a493d9760c35fdaefc3017f27f91b621, 6.0.16, 6.1, 0, 6.1.39, 6.3.13, 6.4.4, 6.5

Timeline

Official Publish: September 18th, 2025
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.