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Vulnerability details: VCID-wtkv-vjxz-u7a3
Vulnerability ID VCID-wtkv-vjxz-u7a3
Aliases CVE-2025-40328
Summary kernel: smb: client: fix potential UAF in smb2_close_cached_fid()
Status Published
Exploitability 0.5
Weighted Severity 6.3
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40328.json
epss 0.00036 https://api.first.org/data/v1/epss?cve=CVE-2025-40328
epss 0.00036 https://api.first.org/data/v1/epss?cve=CVE-2025-40328
epss 0.00036 https://api.first.org/data/v1/epss?cve=CVE-2025-40328
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40328.json
https://api.first.org/data/v1/epss?cve=CVE-2025-40328
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2420415 https://bugzilla.redhat.com/show_bug.cgi?id=2420415
USN-8029-1 https://usn.ubuntu.com/8029-1/
USN-8029-2 https://usn.ubuntu.com/8029-2/
USN-8029-3 https://usn.ubuntu.com/8029-3/
USN-8030-1 https://usn.ubuntu.com/8030-1/
USN-8048-1 https://usn.ubuntu.com/8048-1/
USN-8095-1 https://usn.ubuntu.com/8095-1/
USN-8095-2 https://usn.ubuntu.com/8095-2/
USN-8095-3 https://usn.ubuntu.com/8095-3/
USN-8095-4 https://usn.ubuntu.com/8095-4/
USN-8095-5 https://usn.ubuntu.com/8095-5/
USN-8100-1 https://usn.ubuntu.com/8100-1/
USN-8125-1 https://usn.ubuntu.com/8125-1/
USN-8126-1 https://usn.ubuntu.com/8126-1/
USN-8165-1 https://usn.ubuntu.com/8165-1/
USN-8261-1 https://usn.ubuntu.com/8261-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40328.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.11234
EPSS Score 0.00036
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:37:51.112295+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40328.json 38.6.0