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Vulnerability details: VCID-9nmw-sbv9-v7f7
Vulnerability ID VCID-9nmw-sbv9-v7f7
Aliases CVE-2025-39677
Summary kernel: net/sched: Fix backlog accounting in qdisc_dequeue_internal
Status Published
Exploitability 0.5
Weighted Severity 3.7
Risk 1.9
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-191 Integer Underflow (Wrap or Wraparound)
System Score Found at
cvssv3 4.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39677.json
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2025-39677
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2025-39677
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2025-39677
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-2025-39677.json
https://api.first.org/data/v1/epss?cve=CVE-2025-39677
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-39677
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2393536 https://bugzilla.redhat.com/show_bug.cgi?id=2393536
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39677.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 0.08263
EPSS Score 0.00027
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:40:18.274931+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39677.json 38.6.0