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NVD / CVE Program· CNA Linux

CVE-2026-46205: staging: media: atomisp: Disallow all private IOCTLs

Noroxi assessment

Priority: Monitor (action score 31/100)

  • 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: 0.14% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 2b7eb2c5dc72f0fc954ac4aa155f9e285e937f7c, 51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654, 64e85679beafe082fc2e70a557ec356c7fd27548; azl3 kernel 6.6.139.1-1 on Azure Linux 3.0 6.6.141.1-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 2b7eb2c5dc72f0fc954ac4aa155f9e285e937f7c, 51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654, 64e85679beafe082fc2e70a557ec356c7fd27548; azl3 kernel 6.6.139.1-1 on Azure Linux 3.0 6.6.141.1-1 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: staging: media: atomisp: Disallow all private IOCTLs Disallow all private IOCTLs. These aren't quite as safe as one could assume of IOCTL handlers; disable them for now. Instead of removing the code, return in the beginning of the function if cmd is non-zero in order to keep static checkers happy.

HighCVSS 7.8 · v3.1—No exploit Fix available
Published
May 28, 2026
Updated
Aug 5, 2026
EPSS
0.1% · 3th percentile
CWE
—

Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CNA vs NVD score

NVD
—
CNA · Linux
7.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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.

Follow CVE-2026-46205

When you'll hear from us

  • when it enters CISA KEV
  • 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.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel4.12 and later · before 5.10.258
  • linux linux kernel5.11 and later · before 5.15.209
  • linux linux kernel5.16 and later · before 6.1.175
  • linux linux kernel6.2 and later · before 6.6.140
  • linux linux kernel6.7 and later · before 6.12.90
  • linux linux kernel6.13 and later · before 6.18.32
  • linux linux kernel6.19 and later · before 7.0.9

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

    • 4.12, 5.8affected
    • a49d25364dfb9f8a64037488a39ab1f56c5fa419 and later · before 51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before 64e85679beafe082fc2e70a557ec356c7fd27548affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before 8774f8cb661f57ae43cc3bc0509d16ef1f406e45affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before ceb1b5f910e58986ea544ff8c9c2f23ae9a52414affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before 8c7a281a99224a5b9af99c4dcd98d68eea75926caffected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before 6f1ce75a75c65061e7a720c3d0ee5f8adab7a2d3affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before c7848b67ef10f581114b6a2f52b160fc20eb52c9affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before 6850a439f8d23d4979624f1d6880d3118d473a28affected · git
    • ad85094b293e40e7a2f831b0311a389d952ebd5e and later · before 2b7eb2c5dc72f0fc954ac4aa155f9e285e937f7caffected · git

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.176-16.1.176-1
Debian:13linuxbefore 6.12.90-16.12.90-1
Debian:14linuxbefore 7.0.9-17.0.9-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2026-46202May 28, 2026 · HID: appletb-kbd: run inactivity autodim from workqueues
    22Monitor
  • ← EarlierCVE-2026-46203May 28, 2026 · spi: cadence-quadspi: fix unclocked access on unbind
    28Monitor
  • Later →CVE-2026-46206May 28, 2026 · batman-adv: reject new tp_meter sessions during teardown
    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 Linux2b7eb2c5dc72f0fc954ac4aa155f9e285e937f7cVendor (CNA)
Linux Linux51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654Vendor (CNA)
Linux Linux64e85679beafe082fc2e70a557ec356c7fd27548Vendor (CNA)
Linux Linux6850a439f8d23d4979624f1d6880d3118d473a28Vendor (CNA)
Linux Linux6f1ce75a75c65061e7a720c3d0ee5f8adab7a2d3Vendor (CNA)
Linux Linux8774f8cb661f57ae43cc3bc0509d16ef1f406e45Vendor (CNA)
Linux Linux8c7a281a99224a5b9af99c4dcd98d68eea75926cVendor (CNA)
Linux Linuxc7848b67ef10f581114b6a2f52b160fc20eb52c9Vendor (CNA)
Linux Linuxceb1b5f910e58986ea544ff8c9c2f23ae9a52414Vendor (CNA)
azl3 kernel 6.6.139.1-1 on Azure Linux 3.06.6.141.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.176-1 · 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.

No history yet (it accumulates with the daily EPSS job).

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

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

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 (8 more)

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

All records