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NVD / CVE Program· CNA Linux

CVE-2023-54190: leds: led-core: Fix refcount leak in of_led_get()

—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.19% (FIRST EPSS).
  • Fixed version: Linux Linux 1d6101d9222e1ca8c01b3fa9ebf0dcf7bcd82564, 690efcb5827c3bacbf1de90cd14907b91bf8cb7b, d880981b82223f9bf128dfdd2424abb0c658f345.

Low priority for now. Upgrade to Linux Linux 1d6101d9222e1ca8c01b3fa9ebf0dcf7bcd82564, 690efcb5827c3bacbf1de90cd14907b91bf8cb7b, d880981b82223f9bf128dfdd2424abb0c658f345 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: leds: led-core: Fix refcount leak in of_led_get() class_find_device_by_of_node() calls class_find_device(), it will take the reference, use the put_device() to drop the reference when not need anymore.

Published
Dec 30, 2025
Updated
Oct 28, 2026
EPSS
0.1% · 9th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

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

    • 5.6affected
    • 699a8c7c4bd376aee4808e6272188319e900c8af and later · before 1d6101d9222e1ca8c01b3fa9ebf0dcf7bcd82564affected · git
    • 699a8c7c4bd376aee4808e6272188319e900c8af and later · before 690efcb5827c3bacbf1de90cd14907b91bf8cb7baffected · git
    • 699a8c7c4bd376aee4808e6272188319e900c8af and later · before d880981b82223f9bf128dfdd2424abb0c658f345affected · git
    • 699a8c7c4bd376aee4808e6272188319e900c8af and later · before ddf3e82164afd9381b1d52c9f00b3878f7b6d308affected · git
    • 699a8c7c4bd376aee4808e6272188319e900c8af and later · before da1afe8e6099980fe1e2fd7436dca284af9d3f29affected · git
    • before 5.6not affected · semver
    • 5.10.173 and later · up to and including 5.10.*not affected · semver
    • 5.15.99 and later · up to and including 5.15.*not affected · semver
    • 6.1.16 and later · up to and including 6.1.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.20-16.1.20-1

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

Published before and after this one in the same product

  • ← EarlierCVE-2023-54173Dec 30, 2025 · bpf: Disable preemption in bpf_event_output
    31Monitor
  • ← EarlierCVE-2023-54189Dec 30, 2025 · pstore/ram: Add check for kstrdup
    0Monitor
  • Later →CVE-2023-54191Dec 30, 2025 · wifi: mt76: mt7996: fix memory leak in mt7996_mcu_exit
    0Monitor

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 Linux1d6101d9222e1ca8c01b3fa9ebf0dcf7bcd82564Vendor (CNA)
Linux Linux690efcb5827c3bacbf1de90cd14907b91bf8cb7bVendor (CNA)
Linux Linuxd880981b82223f9bf128dfdd2424abb0c658f345Vendor (CNA)
Linux Linuxda1afe8e6099980fe1e2fd7436dca284af9d3f29Vendor (CNA)
Linux Linuxddf3e82164afd9381b1d52c9f00b3878f7b6d308Vendor (CNA)
debian:linux6.1.20-1 · Debian:12Package 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.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

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.

References

Show all references (4 more)

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

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