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NVD / CVE Program· CNA Linux

CVE-2026-72273: fbdev: efifb: fix memory leak in efifb_probe()

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 475383daf5f855f5b2c3a9aa801f69b69a81799e, 5276e3f75ddb51f980a8903f4b39e73cf42415e5, 9b6eaf101656958397a6012bf43f6e2e42c9e5cb.

Low priority for now. Upgrade to Linux Linux 475383daf5f855f5b2c3a9aa801f69b69a81799e, 5276e3f75ddb51f980a8903f4b39e73cf42415e5, 9b6eaf101656958397a6012bf43f6e2e42c9e5cb 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: fbdev: efifb: fix memory leak in efifb_probe() Since commit 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") the string returned from fb_get_options() is expected to be freed by the caller, but the string is not freed in efifb_probe(). Fix that by freeing the option string after setup.

—No exploit Fix available
Published
Aug 15, 2026
Updated
Aug 17, 2026
EPSS
0.2% · 11th 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
  • when the record is updated (including a fixed version)
  • 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

    • 6.4affected
    • 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and later · before fafb2e08741b20027cee77918816de29a32d6fd6affected · git
    • 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and later · before 475383daf5f855f5b2c3a9aa801f69b69a81799eaffected · git
    • 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and later · before febb5b4f67ace78d6b6862cc3c853b64710afb6caffected · git
    • 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and later · before 5276e3f75ddb51f980a8903f4b39e73cf42415e5affected · git
    • 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and later · before 9b6eaf101656958397a6012bf43f6e2e42c9e5cbaffected · git
    • before 6.4not affected · semver
    • 6.6.148 and later · up to and including 6.6.*not affected · semver
    • 6.12.97 and later · up to and including 6.12.*not affected · semver
    • 6.18.40 and later · up to and including 6.18.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:13linuxbefore 6.12.100-16.12.100-1
Debian:14linuxbefore 7.1.5-17.1.5-1

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-2026-72271Aug 15, 2026 · fbdev: i740fb: fix potential memory leak in i740fb_probe()
    0Monitor
  • ← EarlierCVE-2026-72272Aug 15, 2026 · fbdev: radeon: fix potential memory leak in radeonfb_pci_register()
    0Monitor
  • Later →CVE-2026-72274Aug 15, 2026 · fbdev: hecubafb: fix potential memory leak in hecubafb_probe()
    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 Linux475383daf5f855f5b2c3a9aa801f69b69a81799eVendor (CNA)
Linux Linux5276e3f75ddb51f980a8903f4b39e73cf42415e5Vendor (CNA)
Linux Linux9b6eaf101656958397a6012bf43f6e2e42c9e5cbVendor (CNA)
Linux Linuxfafb2e08741b20027cee77918816de29a32d6fd6Vendor (CNA)
Linux Linuxfebb5b4f67ace78d6b6862cc3c853b64710afb6cVendor (CNA)
debian:linux6.12.100-1 · Debian:13Package 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).

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. Fix✗ → ✓

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

References

Show all references (4 more)

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

All records