BlackTreeCVE Intelligence
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Full vulnerability report · 2025
CVE-2025-55551High confidence

An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a Denial of Service (DoS) when performing a slice operation

Unknown · Unknown

7.5HighCVSS 3.1
Recommended action
Within 7 days

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Critical, raised one band.upgradedsince 29 Sep 2025

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • A structured source references public exploit or proof-of-concept material.
  • The selected CVSS metric records a network-reachable, unauthenticated path with no user interaction.
  • EPSS is 0.42% for the current model date.

Compensating controls

  • Restrict the affected network interface to trusted sources where business-safe.
  • Increase monitoring for the attack path and post-exploitation behaviour described in the report.

Verification

  1. Confirm that the asset runs Unknown Unknown and falls inside the recorded affected range.
  2. Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 3 daysRemediation target: Within 90 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Distribution package intelligence

Release-specific package status

Debian findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

4 package states
Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcepytorchAffected, no fix publishedDebian currently tracks this release as open.Not published in this feedDebian Security Tracker ↗Source updated 6 Oct 2026
Debian bookwormbookworm · sourcepytorchAffected, no fix publishedDebian currently tracks this release as open.Not published in this feedDebian Security Tracker ↗Source updated 6 Oct 2026
Debian forkyforky · sourcepytorchVendor fix publishedDebian records a fixed source-package version for this release.2.12.0+dfsg2-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian sidsid · sourcepytorchVendor fix publishedDebian records a fixed source-package version for this release.2.12.0+dfsg2-1Debian Security Tracker ↗Source updated 6 Oct 2026
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2025-31095

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a Denial of Service (DoS) when performing a slice operation.

What

An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a Denial of Service (DoS) when performing a slice operation.

Why

The product does not properly control the allocation and maintenance of a limited resource.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

What

An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a Denial of Service (DoS) when performing a slice operation.

Why

The product does not properly control the allocation and maintenance of a limited resource.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
Reference recorded

CISA Vulnrichment records proof-of-concept exploitation in its SSVC data. BlackTree has not independently executed or validated exploit material.

Likely attack path
a network path → Uncontrolled Resource Consumption → disrupt the affected service
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-400 ↗

CWE-400: Uncontrolled Resource Consumption. The product does not properly control the allocation and maintenance of a limited resource.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedDenial of serviceCWE-400Public exploit reference
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2025-2139PyTorch: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in PyTorch ausnutzen, um Informationen offenzulegen, einen Denial-of-Service-Zustand zu erzeugen oder andere nicht näher spezifizierte Angriffe durchzuführen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20251001Security Bulletin 01 Oct 2025

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 01 Oct 2025, published on 1 October 2025. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0969Multiples vulnérabilités dans les produits VMware

d?id=CVE-2025-55154 Référence CVE CVE-2025-55160 https://www.cve.org/CVERecord?id=CVE-2025-55160 Référence CVE CVE-2025-55163 https://www.cve.org/CVERecord?id=CVE-2025-55163 Référence CVE CVE-2025-55193 https://www.cve.org/CVERecord?id=CVE-2025-55193 Référence CVE CVE-2025-55197 https://www.cve.org/CVERecord?id=CVE-2025-55197 Référence CVE CVE-2025-55212 https://www.cve.org/CVERecord?id=CVE-2025-55212 Référence CVE CVE-2025-55248 https://www.cve.org/CVERecord?id=CVE-2025-55248 Référence CVE CVE-2025-55298 https://www.cve.org/CVERecord?id=CVE-2025-55298 Référence CVE CVE-2025-55315 https://www.cve.org/CVERecord?id=CVE-2025-55315 Référence CVE CVE-2025-55551 https://www.cve.org/CVERecord?id=CVE-2025-55551 Référence CVE CVE-2025-55552 https://www.cve.org/CVERecord?id=CVE-2025-55552 Référence CVE CVE-2025-55553 https://www.cve.org/CVERecord?id=CVE-2025-55553 Référence CVE CVE-2025-55554 https://www.cve.org/CVERecord?id=CVE-2025-55554 Référence CVE CVE-2025-55557 https://www.cve.org/CVERecord?id=CVE-2025-55557 Référence CVE CVE-2025-55558 https://www.cve.org/CVERecord?id=CVE-2025-55558 Référence CVE CVE-2025-55560 https://www.cve.org/CVERecord?id=CVE-2025-55560 Référence CVE CVE-2025-55668 https://www.cve.org/CVERecord?id=CVE-2025-55668 Référence CVE CVE-2025-55752 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0899Multiples vulnérabilités dans les produits Microsoft

CVE-2025-39934 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39937 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39938 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39940 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39942 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39945 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39946 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39947 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39949 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-39953 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-55551 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-55552 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-55554 du 05 octobre 2025 Bulletin de sécurité Microsoft CVE-2022-50502 du 06 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-10729 du 07 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-11234 du 07 octobre 2025 Bulletin de sécurité Microsoft CVE-2022-48816 du 08 octobre 2025 Bulletin de sécurité Microsoft CVE-2024-40966 du 08 octobre 2025 Bulletin de sécurité Microsoft CVE-2024-40989 du 08 octobre 2025 Bulletin de sécurité Microsoft CVE-2024-56641 du 08 octobre 2025 Bulletin de sécurité Microsoft CVE-2025-49844

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2025-015223Linux Foundation の Python 用 pytorch における脆弱性

Linux Foundation の Python 用 pytorch には、不特定の脆弱性が存在します。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
n/a
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 25 Sept 2025 · Last source change 29 Sept 2025, 17:37 UTC · CWE-400 · Uncontrolled Resource Consumption

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2025-31095
Product sourceUnavailable
Remediation sourceCVE/CNA references
CWE sourceCISA ADP
NVD statusNVD enriched

Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2025-31095↗CISA Vulnrichment SSVC evidence↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2025-55551 · cve.blacktree.nl