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CVE-2026-93046· NVD / CVE Program· CNA Linux

software node: Fix software_node_get_reference_args() with index -1

In the Linux kernel, the following vulnerability has been resolved: software node: Fix software_node_get_reference_args() with index -1 The bounds check for the index passed to software_node_get_reference_args() was failing when passed UINT_MAX, this in turn would lead to an out of bound access in the property array. Fix the bound check to also cover the UINT_MAX case.

HighCVSS 7.0 · v3.1—No exploit Fix available
Published
Sep 17, 2026
Updated
Sep 18, 2026
EPSS
0.2% · 4th percentile
CWE
—
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Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CNA vs NVD score

NVD
—
CNA · Linux
7.0
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

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Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 7af18e42bdefe1dba5bcb32555a4d524fd504939, 6.16affected
    • 142acd739eb6f08c148a96ae8309256f1422ff4b and later · before 6cde06887487b4febd14658c9a246616abcc0097affected · git
    • 56ce76e8d406cc72b89aee7931df5cf3f18db49d and later · before 0631384eadebc66d92d2dd72d57a0263c3877beeaffected · git
    • 9324127b07dde8529222dc19233aa57ec810856c and later · before b2fa4e8c7e4a33e02e6aaa8f6df72f84cf4aed75affected · git
    • f9397cf7bfb680799fb8c7f717c8f756384c3280 and later · before 4ebf96d5f834aba7f6d0397db4c421f6078171b9affected · git
    • 4b3383110b6df48e0ba5936af2cb68d5eb6bd43b and later · before 849076df15129e47dd8db751fa18489419ffea56affected · git
    • 31e4e12e0e9609850cefd4b2e1adf782f56337d6 and later · before df5466412b362db7adfa78e3e092fe07ac6769a4affected · git
    • 31e4e12e0e9609850cefd4b2e1adf782f56337d6 and later · before 231bbc04c58f115a505bf3b668ec69ef40a1773baffected · git
    • 31e4e12e0e9609850cefd4b2e1adf782f56337d6 and later · before ba3dedcf3bd47017307595a7e54924198f018246affected · git
    • 5.10.239 and later · before 5.10.270affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxall versions—
Debian:13linuxbefore 6.12.111-16.12.111-1
Debian:14linuxbefore 7.2.6-17.2.6-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan
  • CVE-2026-74309vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
    40Plan
  • CVE-2026-74280crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
    40Plan
  • CVE-2026-74279crypto: cavium/cpt - fix DMA cleanup using wrong loop index
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux0631384eadebc66d92d2dd72d57a0263c3877beeVendor (CNA)
Linux Linux231bbc04c58f115a505bf3b668ec69ef40a1773bVendor (CNA)
Linux Linux4ebf96d5f834aba7f6d0397db4c421f6078171b9Vendor (CNA)
Linux Linux5.10.270Vendor (CNA)
Linux Linux5.15.221Vendor (CNA)
Linux Linux6.1.188Vendor (CNA)
Linux Linux6.12.110Vendor (CNA)
Linux Linux6.16Vendor (CNA)
Linux Linux6.6.157Vendor (CNA)
Linux Linux6cde06887487b4febd14658c9a246616abcc0097Vendor (CNA)
Linux Linux849076df15129e47dd8db751fa18489419ffea56Vendor (CNA)
Linux Linuxb2fa4e8c7e4a33e02e6aaa8f6df72f84cf4aed75Vendor (CNA)
Linux Linuxba3dedcf3bd47017307595a7e54924198f018246Vendor (CNA)
Linux Linuxdf5466412b362db7adfa78e3e092fe07ac6769a4Vendor (CNA)
debian:linux6.12.111-1 · Debian:13Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

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CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records