What is CVE-2026-46237?

CVE-2026-46237 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, affecting Linux kernel versions from 7.1-rc1 onward and patched in 7.1-rc2. CVE-2026-46237 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46237?

CVE-2026-46237 has a CVSS score of 7.1 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:N/A:H.

Is there a patch available for CVE-2026-46237?

Yes, CVE-2026-46237 has been patched. Fixed versions include 7.1-rc2. If you are running Linux kernel 7.1-rc1 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46237 actively exploited?

CVE-2026-46237 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46237

High

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Avoid overflow on msg bound check As pointed out by SDL, the previous condition may be vulnerable to overflow. (cherry picked from commit db00257ac9e4a51eb2515aaea161a019f7125e10)

Package Linux Kernel

Published 2026-05-28

Last modified 2026-06-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 7.1-rc1 and later are affected. Fixed in 7.1-rc2 and their respective stable series.

Affected from

≥ 7.1-rc1

Fixed in

✓ 7.1-rc2

References

The following references provide additional information about CVE-2026-46237 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/016b64a0313ea5346cf526e30c8d3e66aca10175
Patch
Kernel patch commit
https://git.kernel.org/stable/c/1936310f68c54be961de38ac539cef9b543207cb
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2e43b66fceacd6e982b94f2e3f8b34edd7463396
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2026-46237

Severity High

CVSS score 7.1 / 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-2026-46237?

CVE-2026-46237 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . It affects Linux kernel versions from 7.1-rc1 onward and has been patched in 7.1-rc2. CVE-2026-46237 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46237?

CVE-2026-46237 has a CVSS score of 7.1 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:N/A:H.
Is there a patch available for CVE-2026-46237?

Yes — CVE-2026-46237 has been patched. Fixed versions include 7.1-rc2. If you are running Linux kernel 7.1-rc1 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46237 actively exploited?

No — CVE-2026-46237 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.