What is CVE-2026-46152?

CVE-2026-46152 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10, affecting Linux kernel versions from 6.4 onward and patched in 6.6.140, 6.12.88, 6.18.30 and others. CVE-2026-46152 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46152?

CVE-2026-46152 has a CVSS score of 8.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-46152?

Yes, CVE-2026-46152 has been patched. Fixed versions include 6.6.140, 6.12.88, 6.18.30 and others. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46152 actively exploited?

CVE-2026-46152 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46152

High

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop stray 'static' from fast-RX rx_result ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_result is declared static. Concurrent callers then share one instance and can overwrite each other's result between ieee80211_rx_mesh_data() and the switch on res. That can make a packet that was queued or consumed by ieee80211_rx_mesh_data() fall through into ieee80211_rx_8023(), or make a packet that should continue return as queued. Make res an automatic variable so each invocation keeps its own result.

Package Linux Kernel

Published 2026-05-28

Last modified 2026-05-30

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

8.8

out of 10

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Affected versions

Linux kernel versions 6.4 and later are affected. Fixed in 6.6.140, 6.12.88, 6.18.30, 7.0.7, 7.1-rc3 and their respective stable series.

Affected from

≥ 6.4

Fixed in

✓ 6.6.140 6.6.x ✓ 6.12.88 6.12.x ✓ 6.18.30 6.18.x ✓ 7.0.7 7.0.x ✓ 7.1-rc3

References

The following references provide additional information about CVE-2026-46152 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/03584528bfffb195e384698af9148b94e42e3f14
Patch
Kernel patch commit
https://git.kernel.org/stable/c/1739fc31b4de06c5c78ce0741182770fb079091e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3ef44f96ccc3e06e059dec57842e366f0c4b1893
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2026-46152

Severity High

CVSS score 8.8 / 10

CVSS version 3.1

Published 2026-05-28

Modified 2026-05-30

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-46152?

CVE-2026-46152 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 . It affects Linux kernel versions from 6.4 onward and has been patched in 6.6.140, 6.12.88, 6.18.30 and others. CVE-2026-46152 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46152?

CVE-2026-46152 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-46152?

Yes — CVE-2026-46152 has been patched. Fixed versions include 6.6.140, 6.12.88, 6.18.30 and others. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46152 actively exploited?

No — CVE-2026-46152 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.