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.
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No vendor fix or workaround currently provided.
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Tracking
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| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2022-55190 | 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. |
Fri, 14 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-401 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:* |
Fri, 20 Jun 2025 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Wed, 18 Jun 2025 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | cifs: fix small mempool leak in SMB2_negotiate() | |
| References |
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:09:35.989Z
Reserved: 2025-05-01T14:05:17.255Z
Link: CVE-2022-49938
No data.
Status : Analyzed
Published: 2025-06-18T11:15:20.683
Modified: 2025-11-14T20:25:43.180
Link: CVE-2022-49938
OpenCVE Enrichment
Updated: 2025-06-23T08:36:33Z
EUVD