CVE-2023-54076 - CVE House
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Status published Unknown CVE-2023-54076

smb: client: fix missed ses refcounting

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifs_smb_ses_inc_refcount() helper to get an active reference of @ses and @ses->dfs_root_ses (if set). This will prevent @ses->dfs_root_ses of being put in the next call to cifs_put_smb_ses() and thus potentially causing an use-after-free bug.

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:
8e3554150d6c80a84b3cb046615d1a0e943811dc, f30d226bcc9f0e2d97b4a6e94c43a28148fbeab6, c082c3be0f96e759ff2e361d929832fda0b93851, 6.2.15, 6.3.2, 6.4, 0, 6.4.7, 6.5

Timeline

Official Publish: December 24th, 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.