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CVE.org (no NVD analysis yet)· CNA Linux

CVE-2026-98535: fsl/fman: Fix clk reference leak in read_dts_node()

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: 0.22% (FIRST EPSS).
  • Fixed version: Linux Linux 5c90f99ba74b55ddd8e919224921033cc4077f01, 874fd58b321a9238e47c2a46345444287f2a5781, 9fd6d0861ae2fd44c771d6bc93b29bbc1202fe8e; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 6.6.159.1-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 5c90f99ba74b55ddd8e919224921033cc4077f01, 874fd58b321a9238e47c2a46345444287f2a5781, 9fd6d0861ae2fd44c771d6bc93b29bbc1202fe8e; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 6.6.159.1-1 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: fsl/fman: Fix clk reference leak in read_dts_node() of_clk_get() returns a clock with its reference count incremented, but read_dts_node() only uses it to read the rate and never calls clk_put(). The clock is not stored anywhere, so the reference cannot be released later either. Release the clock once its rate has been read, which also covers the error path taken when the rate is zero.

—No exploit Fix available
Published
Oct 18, 2026
Updated
Oct 19, 2026
EPSS
0.2% · 12th 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 · 0.2%

Get told when this record changes

  • 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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When you'll hear from us

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  • when exploit code appears or is weaponized
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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

    • 4.5affected
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before 874fd58b321a9238e47c2a46345444287f2a5781affected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before c2edf376d7804279878b207d93ffe6009c8d3d29affected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before 5c90f99ba74b55ddd8e919224921033cc4077f01affected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before e560bdf62b11dcaa2a018345f76869d89ed43a9eaffected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before 9fd6d0861ae2fd44c771d6bc93b29bbc1202fe8eaffected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before c2a5e591858629b6c0e284010d2ccdbc22fd0a43affected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before cb52f9f188c3174761ad3b37db9de751e002b52caffected · git
    • 414fd46e77626f4e1f89ab4be6b876ef91e89dfa and later · before a644f09b2090ad22a13fbcf9d141084f573108efaffected · git
    • before 4.5not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.190-16.1.190-1
Debian:12linux-6.12before 6.12.113-1~deb12u16.12.113-1~deb12u1
Debian:13linuxbefore 6.12.113-16.12.113-1
Debian:14linuxbefore 7.2.9-17.2.9-1

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-2026-98533Oct 18, 2026 · ipe: protect the dm-verity root hash with RCU
    0Monitor
  • ← EarlierCVE-2026-98534Oct 18, 2026 · ipe: fix use-after-free when auditing a newly loaded policy
    0Monitor
  • Later →CVE-2026-98536Oct 18, 2026 · writeback: report a Tasks-RCU quiescent state per cgwb drain pass
    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 Linux5c90f99ba74b55ddd8e919224921033cc4077f01Vendor (CNA)
Linux Linux874fd58b321a9238e47c2a46345444287f2a5781Vendor (CNA)
Linux Linux9fd6d0861ae2fd44c771d6bc93b29bbc1202fe8eVendor (CNA)
Linux Linuxa644f09b2090ad22a13fbcf9d141084f573108efVendor (CNA)
Linux Linuxc2a5e591858629b6c0e284010d2ccdbc22fd0a43Vendor (CNA)
Linux Linuxc2edf376d7804279878b207d93ffe6009c8d3d29Vendor (CNA)
Linux Linuxcb52f9f188c3174761ad3b37db9de751e002b52cVendor (CNA)
Linux Linuxe560bdf62b11dcaa2a018345f76869d89ed43a9eVendor (CNA)
azl3 kernel 6.6.157.1-1 on Azure Linux 3.06.6.159.1-1 · Release NotesMicrosoft (MSRC)
debian:linux6.1.190-1 · Debian:12Package registry (OSV)
debian:linux-6.126.12.113-1~deb12u1 · 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.

  1. Published
  2. Fix recordedsame day
  3. TodayNov 2, 2026+15 d
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.

—

Bug bounty scope

No known public program.

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

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

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.

Change log

  1. Exploit maturity— → none
  2. Fix✗ → ✓

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

References

Show all references (7 more)

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

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