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CVE Record

CVE-2025-68782: scsi: target: Reset t_task_cdb pointer in error case

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Reset t_task_cdb pointer in error case If allocation of cmd->t_task_cdb fails, it remains NULL but is later dereferenced in the 'err' path. In case of error, reset NULL t_task_cdb value to point at the default fixed-size buffer. Found by Linux Verification Center (linuxtesting.org) with SVACE.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue is a NULL pointer dereference in SCSI target error handling. If a command buffer allocation fails, cleanup later touches a NULL pointer instead of a fallback buffer. The public record does not provide CVSS, confirmed impact, or active exploitation evidence.

Executive priority

Prioritize through normal kernel patch management unless your environment exposes SCSI target services or runs affected industrial/appliance platforms. Escalate if a vendor advisory maps this CVE to critical products.

Technical view

The flaw is in Linux SCSI target handling for cmd->t_task_cdb. When allocation fails, t_task_cdb remains NULL and is dereferenced on the error path. Stable kernel commits reset the pointer to the default fixed-size buffer in that case.

Likely exposure

Exposure is most relevant to Linux systems using affected kernel builds with SCSI target code present or reachable. The bundle lists Linux as affected and references Siemens guidance, but does not identify specific Siemens products here.

Exploitation context

The source bundle marks KEV as false and provides no cited evidence of active exploitation or public exploit use. Treat this as a kernel reliability/security fix until vendor advisories provide more impact detail.

Researcher notes

Evidence supports a fixed Linux kernel NULL dereference in an allocation-failure error path. The bundle lacks CVSS, CWE, attack preconditions, privilege requirements, and product-specific Siemens impact details, so impact assessment remains limited.

Mitigation direction

  • Update to a kernel containing the referenced stable fixes.
  • Use distribution or appliance vendor kernel packages when available.
  • Review the Siemens advisory if managing Siemens products.
  • If patching is delayed, follow vendor guidance for compensating controls.

Validation and detection

  • Inventory Linux kernel versions across servers and appliances.
  • Confirm the relevant stable fix is included or backported.
  • Check distribution advisories for affected package status.
  • Verify whether SCSI target functionality is enabled or used.
  • Track vendor guidance for Siemens-managed environments.
Prepared
Confidence
medium
Sources
10

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2025-68782 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
2ADP providers
9Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
siemens-SADPADP container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux9e95fb805dc043cc8ed878a08d1583e4097a5f80, 9e95fb805dc043cc8ed878a08d1583e4097a5f80, 9e95fb805dc043cc8ed878a08d1583e4097a5f80, 9e95fb805dc043cc8ed878a08d1583e4097a5f80, 9e95fb805dc043cc8ed878a08d1583e4097a5f80, 9e95fb805dc043cc8ed878a08d1583e4097a5f80, 9e95fb805dc043cc8ed878a08d1583e4097a5f80unaffected
LinuxLinux5.8, 0, 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, 6.18.3, 6.19affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.