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NVD / CVE Program· CNA Linux

CVE-2026-68254: drm/i915/vrr: require valid min/max vfreq for VRR

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 2f9aa8d42b7fc17621894456433ac07689fb4a21, 5225122b9cad6b0c61e767fb2adea8c07da925be, 6598ac1721c3a5543efdbcab579a8561268d7ce1; azl3 kernel 6.6.150.1-1 on Azure Linux 3.0 6.6.152.1-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 2f9aa8d42b7fc17621894456433ac07689fb4a21, 5225122b9cad6b0c61e767fb2adea8c07da925be, 6598ac1721c3a5543efdbcab579a8561268d7ce1; azl3 kernel 6.6.150.1-1 on Azure Linux 3.0 6.6.152.1-1 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: drm/i915/vrr: require valid min/max vfreq for VRR Ensure the EDID provided min/max vfreq are valid. Most scenarios are already covered (by coincidence) through the checks in intel_vrr_is_capable() and intel_vrr_is_in_range(), but be more explicit about it. At worst, a zero min_vfreq could lead to a division by zero in intel_vrr_compute_vmax(). Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 1765cf59f517b02f3b0591fe5120930d08bddeb6)

—No exploit Fix available
Published
Aug 10, 2026
Updated
Nov 6, 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%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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

If any of these changes, we'll tell you in the daily email digest.

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  • when exploit code appears or is weaponized
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  • when EPSS rises 20 points in a week

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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

    • 5.12affected
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before 2f9aa8d42b7fc17621894456433ac07689fb4a21affected · git
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before 5225122b9cad6b0c61e767fb2adea8c07da925beaffected · git
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before 6598ac1721c3a5543efdbcab579a8561268d7ce1affected · git
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before f16218689b41efcbc491207cd7716477b1223879affected · git
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before df1582c0a101e2e2f133dd331d2a3258bb6a7518affected · git
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before c726c8bbee5115dad37fa7867136ebaa50690331affected · git
    • 117cd09ba52857a60dc5d7f61941046625d8ff5a and later · before f8a9262c7a6fc2de9802e14b0228114f0333869eaffected · git
    • before 5.12not affected · semver
    • 5.15.217 and later · up to and including 5.15.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.187-16.1.187-1
Debian:12linux-6.12before 6.12.107-1~deb12u16.12.107-1~deb12u1
Debian:13linuxbefore 6.12.105-16.12.105-1
Debian:14linuxbefore 7.1.6-17.1.6-1

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

Published before and after this one in the same product

  • ← EarlierCVE-2026-68250Aug 10, 2026 · drm/amdgpu/sdma5.2: replace BUG_ON() with WARN_ON()
    0Monitor
  • ← EarlierCVE-2026-68253Aug 10, 2026 · drm/i915/hdcp: check streams[] bounds before overflow
    31Monitor
  • Later →CVE-2026-68255Aug 10, 2026 · drm/virtio: bound EDID block reads to the response buffer
    30Monitor

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 Linux2f9aa8d42b7fc17621894456433ac07689fb4a21Vendor (CNA)
Linux Linux5225122b9cad6b0c61e767fb2adea8c07da925beVendor (CNA)
Linux Linux6598ac1721c3a5543efdbcab579a8561268d7ce1Vendor (CNA)
Linux Linuxc726c8bbee5115dad37fa7867136ebaa50690331Vendor (CNA)
Linux Linuxdf1582c0a101e2e2f133dd331d2a3258bb6a7518Vendor (CNA)
Linux Linuxf16218689b41efcbc491207cd7716477b1223879Vendor (CNA)
Linux Linuxf8a9262c7a6fc2de9802e14b0228114f0333869eVendor (CNA)
azl3 kernel 6.6.150.1-1 on Azure Linux 3.06.6.152.1-1 · Release NotesMicrosoft (MSRC)
debian:linux6.1.187-1 · Debian:12Package registry (OSV)
debian:linux-6.126.12.107-1~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.

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.

—

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. SSVC exploitation— → none
  2. Fix✗ → ✓

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

References

Show all references (6 more)

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

All records