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

CVE-2026-98363: firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS

—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: 0.17% (FIRST EPSS).
  • Fixed version: Linux Linux 0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901, 1aadbef648e92ca642125f188f99b0a26628e3ba, 32471d84a487c7fd74532bc96be56f8028cf4a3f; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 6.6.158.1-1.

Low priority for now. Upgrade to Linux Linux 0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901, 1aadbef648e92ca642125f188f99b0a26628e3ba, 32471d84a487c7fd74532bc96be56f8028cf4a3f; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 6.6.158.1-1 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: firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS scpi_dvfs_get_info() already rejected a zero opp_count, but still trusted any larger value from the SCP firmware. The shared-memory reply only holds MAX_DVFS_OPPS entries in buf.opps[]; a bigger count over-reads that array and then sizes the allocated OPP table incorrectly (garbage OPPs / OOB). The missing upper bound dates back to the original SCPI DVFS support. Reject zero and out-of-range counts in one check and return -EINVAL.

Published
Oct 6, 2026
Updated
Oct 19, 2026
EPSS
0.1% · 6th 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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  • A fix has been released

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Noroxi analysis

What does it mean in your environment?

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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

    • 4.4affected
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before e9887eeaa138c6b5697af3d2f7c71dc82407b154affected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before 1aadbef648e92ca642125f188f99b0a26628e3baaffected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before 7daaa684097377b66b98a832de307688a7f3bbc7affected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before f17865332cc4ceaac846bcd7c28badbaedfabeffaffected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before 0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901affected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before 69ec03cd481973e4be44a7158ed6c0fa06a9a5f9affected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before cc563a59aded6f3b02d75dcc3c0bc5e90755d99eaffected · git
    • 8cb7cf56c9fe5412de238465b27ef35b4d2801aa and later · before 32471d84a487c7fd74532bc96be56f8028cf4a3faffected · git
    • before 4.4not 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 7.2.8-17.2.8-1

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-2026-98361Oct 6, 2026 · RDMA/rxe: Restore HMM_PFN_WRITE check in ODP write paths
    31Monitor
  • ← EarlierCVE-2026-98362Oct 6, 2026 · clk: scpi: bound-check DVFS index in scpi_dvfs_recalc_rate
    0Monitor
  • Later →CVE-2026-98364Oct 6, 2026 · xfrm: hold net_device reference under RCU in bundle creation
    31Monitor

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 Linux0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901Vendor (CNA)
Linux Linux1aadbef648e92ca642125f188f99b0a26628e3baVendor (CNA)
Linux Linux32471d84a487c7fd74532bc96be56f8028cf4a3fVendor (CNA)
Linux Linux69ec03cd481973e4be44a7158ed6c0fa06a9a5f9Vendor (CNA)
Linux Linux7daaa684097377b66b98a832de307688a7f3bbc7Vendor (CNA)
Linux Linuxcc563a59aded6f3b02d75dcc3c0bc5e90755d99eVendor (CNA)
Linux Linuxe9887eeaa138c6b5697af3d2f7c71dc82407b154Vendor (CNA)
Linux Linuxf17865332cc4ceaac846bcd7c28badbaedfabeffVendor (CNA)
azl3 kernel 6.6.157.1-1 on Azure Linux 3.06.6.158.1-1 · Release NotesMicrosoft (MSRC)
debian:linux6.1.190-1 · Debian:12Package registry (OSV)
debian:linux6.12.113-1 · Debian:13Package registry (OSV)
debian:linux7.2.8-1 · Debian:14Package 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 12, 2026+38 d
EPSS, last 120 days

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

Not on record for this CVE: 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 (7 more)

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

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