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NVD / CVE Program· CNA Linux

CVE-2026-68270: drm/sysfb: Avoid possible truncation with calculating visible size

—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: 0.20% (FIRST EPSS).
  • Fixed version: Linux Linux 154795885e8f0033c918c815aece543168bee670, 9d58a811739a365cd693192f4b5344d736967a88, b771974988ec7ce077a7246fa0fa588c246fe581.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 154795885e8f0033c918c815aece543168bee670, 9d58a811739a365cd693192f4b5344d736967a88, b771974988ec7ce077a7246fa0fa588c246fe581 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/sysfb: Avoid possible truncation with calculating visible size Calculating the visible size of the system framebuffer can result in truncation of the result. The calculation uses 32-bit arithmetics, which can overflow if the values for height and stride are large. Fix the issue by multiplying with mul_u32_u32().

Published
Aug 10, 2026
Updated
Aug 17, 2026
EPSS
0.2% · 10th 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%

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  • 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

    • 6.16affected
    • 32ae90c66fb62e4f6ae859422f733dfb249f10cf and later · before 154795885e8f0033c918c815aece543168bee670affected · git
    • 32ae90c66fb62e4f6ae859422f733dfb249f10cf and later · before 9d58a811739a365cd693192f4b5344d736967a88affected · git
    • 32ae90c66fb62e4f6ae859422f733dfb249f10cf and later · before b771974988ec7ce077a7246fa0fa588c246fe581affected · git
    • before 6.16not affected · semver
    • 6.18.42 and later · up to and including 6.18.*not affected · semver
    • 7.1.6 and later · up to and including 7.1.*not affected · semver
    • 7.2 and laternot affected · original_commit_for_fix

Package-level exposure

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

EcosystemPackageAffected rangeFix
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-2026-68267Aug 10, 2026 · drm/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists
    0Monitor
  • ← EarlierCVE-2026-68268Aug 10, 2026 · drm/xe: Return error on non-migratable faults requiring devmem
    0Monitor
  • Later →CVE-2026-68271Aug 10, 2026 · drm/nouveau: fix reversed error cleanup order in ucopy functions
    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 Linux154795885e8f0033c918c815aece543168bee670Vendor (CNA)
Linux Linux9d58a811739a365cd693192f4b5344d736967a88Vendor (CNA)
Linux Linuxb771974988ec7ce077a7246fa0fa588c246fe581Vendor (CNA)
debian:linux7.1.6-1 · Debian:14Package 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).

National notice (Türkiye Cybersecurity Directorate / USOM)

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

All national notices →

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 (2 more)

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

All records