CVE-2026-43378
Published: May 8, 2026
Modified: May 20, 2026
CVSS v3.1
9.8
Description
In the Linux kernel, the following vulnerability has been resolved: smb: server: fix use-after-free in smb2_open() The opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - < e1b21e6066615e7d3d3a7aa2677e415e563fd7ccaffected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - < b720c84087cb547f23ce03eab93568c1769e4556affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - < 54b48ae83de8bb06e65079d96368efe359d4909caffected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - < 8f5b1a7cb009a93c48e9e334a2f59a660f9afc07affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - < 190e5f808e8058640b408ccfed25440b441a718a+1 more versions |
Linux | Linux | affected 5.15unaffected 0 - < 5.15unaffected 6.1.167 - <= 6.1.*unaffected 6.6.130 - <= 6.6.*unaffected 6.12.78 - <= 6.12.*+3 more versions |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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