smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path
Summary
| CVE | CVE-2025-39929 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-10-04 08:15:44 UTC |
| Updated | 2026-06-19 13:16:23 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on __kmem_cache_shutdown() |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-401
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 5aa69aabcb275a8012265233c7694076ce1d9102 git | Not specified |
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 aa4cf7615328eae44f3b4bf5f4fde3fb390c27c6 git | Not specified |
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 3d7c075c878ac844e33c43e506c2fa27ac7e9689 git | Not specified |
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 e7b7a93879558e77d950f1ff9a6f3daa385b33df git | Not specified |
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 922338efaad63cfe30d459dfc59f9d69ff93ded4 git | Not specified |
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 0991418bf98f191d0c320bd25245fcffa1998c7e git | Not specified |
| CNA | Linux | Linux | affected f198186aa9bbd60fae7a2061f4feec614d880299 daac51c7032036a0ca5f1aa419ad1b0471d1c6e0 git | Not specified |
| CNA | Linux | Linux | affected 4.16 | Not specified |
| CNA | Linux | Linux | unaffected 4.16 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.259 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.210 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.154 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.108 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.49 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.16.9 6.16.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.17 * original_commit_for_fix | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/3d7c075c878ac844e33c43e506c2fa27ac7e9689 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/5aa69aabcb275a8012265233c7694076ce1d9102 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| cert-portal.siemens.com/productcert/html/ssa-082556.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| git.kernel.org/stable/c/e7b7a93879558e77d950f1ff9a6f3daa385b33df | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/922338efaad63cfe30d459dfc59f9d69ff93ded4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/aa4cf7615328eae44f3b4bf5f4fde3fb390c27c6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0991418bf98f191d0c320bd25245fcffa1998c7e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/daac51c7032036a0ca5f1aa419ad1b0471d1c6e0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.