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Vulnerability details: VCID-myux-y45y-kucn
Vulnerability ID VCID-myux-y45y-kucn
Aliases CVE-2025-39851
Summary kernel: vxlan: Fix NPD when refreshing an FDB entry with a nexthop object
Status Published
Exploitability 0.5
Weighted Severity 5.1
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 5.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39851.json
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2025-39851
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://git.kernel.org/stable/c/0e8630f24c14d9c655d19eabe2e52a9e9f713307
ssvc Track https://git.kernel.org/stable/c/0e8630f24c14d9c655d19eabe2e52a9e9f713307
cvssv3.1 5.5 https://git.kernel.org/stable/c/4ff4f3104da6507e0f118c63c4560dfdeb59dce3
ssvc Track https://git.kernel.org/stable/c/4ff4f3104da6507e0f118c63c4560dfdeb59dce3
cvssv3.1 5.5 https://git.kernel.org/stable/c/6ead38147ebb813f08be6ea8ef547a0e4c09559a
ssvc Track https://git.kernel.org/stable/c/6ead38147ebb813f08be6ea8ef547a0e4c09559a
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39851.json
https://api.first.org/data/v1/epss?cve=CVE-2025-39851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-39851
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
0e8630f24c14d9c655d19eabe2e52a9e9f713307 https://git.kernel.org/stable/c/0e8630f24c14d9c655d19eabe2e52a9e9f713307
2396916 https://bugzilla.redhat.com/show_bug.cgi?id=2396916
4ff4f3104da6507e0f118c63c4560dfdeb59dce3 https://git.kernel.org/stable/c/4ff4f3104da6507e0f118c63c4560dfdeb59dce3
6ead38147ebb813f08be6ea8ef547a0e4c09559a https://git.kernel.org/stable/c/6ead38147ebb813f08be6ea8ef547a0e4c09559a
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:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39851.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
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://git.kernel.org/stable/c/0e8630f24c14d9c655d19eabe2e52a9e9f713307
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T19:21:10Z/ Found at https://git.kernel.org/stable/c/0e8630f24c14d9c655d19eabe2e52a9e9f713307
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://git.kernel.org/stable/c/4ff4f3104da6507e0f118c63c4560dfdeb59dce3
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T19:21:10Z/ Found at https://git.kernel.org/stable/c/4ff4f3104da6507e0f118c63c4560dfdeb59dce3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://git.kernel.org/stable/c/6ead38147ebb813f08be6ea8ef547a0e4c09559a
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T19:21:10Z/ Found at https://git.kernel.org/stable/c/6ead38147ebb813f08be6ea8ef547a0e4c09559a
Exploit Prediction Scoring System (EPSS)
Percentile 0.04112
EPSS Score 0.00017
Published At June 6, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:39:44.878291+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39851.json 38.6.0