What is CVE-2026-46205?

CVE-2026-46205 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 4.12 onward and patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-46205 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46205?

CVE-2026-46205 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-46205?

Yes, CVE-2026-46205 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46205 actively exploited?

CVE-2026-46205 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46205

High

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.

Package Linux Kernel

Published 2026-05-28

Last modified 2026-06-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Affected versions

Linux kernel versions 4.12 and later are affected. Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1-rc1 and their respective stable series.

Affected from

≥ 4.12

Fixed in

✓ 5.10.258 5.10.x ✓ 5.15.209 5.15.x ✓ 6.1.175 6.1.x ✓ 6.6.140 6.6.x ✓ 6.12.90 6.12.x ✓ 6.18.32 6.18.x ✓ 7.0.9 7.0.x ✓ 7.1-rc1

References

The following references provide additional information about CVE-2026-46205 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/2b7eb2c5dc72f0fc954ac4aa155f9e285e937f7c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/64e85679beafe082fc2e70a557ec356c7fd27548
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6850a439f8d23d4979624f1d6880d3118d473a28
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2026-46205

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-05-28

Modified 2026-06-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-46205?

CVE-2026-46205 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 4.12 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-46205 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46205?

CVE-2026-46205 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-46205?

Yes — CVE-2026-46205 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46205 actively exploited?

No — CVE-2026-46205 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.