What is CVE-2026-46206?

CVE-2026-46206 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 4.8 onward and patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-46206 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46206?

CVE-2026-46206 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-2026-46206?

Yes, CVE-2026-46206 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46206 actively exploited?

CVE-2026-46206 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46206

High

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject new tp_meter sessions during teardown Prevent tp_meter from starting new sender or receiver sessions after mesh_state has left BATADV_MESH_ACTIVE.

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 4.8 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-rc4 and their respective stable series.

Affected from

≥ 4.8

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-rc4

References

The following references provide additional information about CVE-2026-46206 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/0a7a840074c9ca5ebffc9c52358c8ea55828ec71
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3243543592425beec83d453793e9d27caa0d8e66
Patch
Kernel patch commit
https://git.kernel.org/stable/c/52e6ec3e972cf27792cc1559874dbee19f286869
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2026-46206

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-2026-46206?

CVE-2026-46206 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 4.8 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-46206 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46206?

CVE-2026-46206 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-2026-46206?

Yes — CVE-2026-46206 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46206 actively exploited?

No — CVE-2026-46206 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.