What is CVE-2026-46085?

CVE-2026-46085 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, affecting Linux kernel versions from 6.6.135 onward and patched in 6.6.140, 6.12.86, 6.18.27 and others. CVE-2026-46085 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46085?

CVE-2026-46085 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2026-46085?

Yes, CVE-2026-46085 has been patched. Fixed versions include 6.6.140, 6.12.86, 6.18.27 and others. If you are running Linux kernel 6.6.135 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46085 actively exploited?

CVE-2026-46085 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46085

High

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxkad crypto unalignment handling Fix handling of a packet with a misaligned crypto length. Also handle non-ENOMEM errors from decryption by aborting. Further, remove the WARN_ON_ONCE() so that it can't be remotely triggered (a trace line can still be emitted).

Package Linux Kernel

Published 2026-05-27

Last modified 2026-05-30

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 6.6.135, 6.12.82, 6.18.23, 6.19.13, 7.0 and later are affected. Fixed in 6.6.140, 6.12.86, 6.18.27, 7.0.4, 7.1-rc1 and their respective stable series.

Affected from

≥ 6.6.135 ≥ 6.12.82 ≥ 6.18.23 ≥ 6.19.13 ≥ 7.0

Fixed in

✓ 6.6.140 6.6.x ✓ 6.12.86 6.12.x ✓ 6.18.27 6.18.x ✓ 7.0.4 7.0.x ✓ 7.1-rc1

References

The following references provide additional information about CVE-2026-46085 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/440d20d95e844b657a93a0b2dcc2aae155efdce6
Patch
Kernel patch commit
https://git.kernel.org/stable/c/af9271eb666d07b6f65612dc160a47f7cb5220ed
Patch
Kernel patch commit
https://git.kernel.org/stable/c/def304aae2edf321d2671fd6ca766a93c21f877e
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2026-46085

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2026-05-27

Modified 2026-05-30

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-46085?

CVE-2026-46085 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . It affects Linux kernel versions from 6.6.135 onward and has been patched in 6.6.140, 6.12.86, 6.18.27 and others. CVE-2026-46085 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46085?

CVE-2026-46085 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2026-46085?

Yes — CVE-2026-46085 has been patched. Fixed versions include 6.6.140, 6.12.86, 6.18.27 and others. If you are running Linux kernel 6.6.135 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46085 actively exploited?

No — CVE-2026-46085 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.