CVE-2022-49938 - CVE House
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Status published Medium CVE-2022-49938

cifs: fix small mempool leak in SMB2_negotiate()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix small mempool leak in SMB2_negotiate() In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.

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:
9764c02fcbad40001fd3f63558d918e4d519bb75, 1ae6f05d4204d3a128bb9ba2c42e2a6c4ac687f1, 4.13.5, 4.14, 0, 5.15.66, 5.19.8, 6.0

Timeline

Official Publish: June 18th, 2025
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.