What is CVE-2026-46145?

CVE-2026-46145 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 6.2 onward and patched in 6.6.141, 6.12.88, 6.18.30 and others. CVE-2026-46145 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46145?

CVE-2026-46145 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-2026-46145?

Yes, CVE-2026-46145 has been patched. Fixed versions include 6.6.141, 6.12.88, 6.18.30 and others. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46145 actively exploited?

CVE-2026-46145 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2026-46145

High

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.

Package Linux Kernel

Published 2026-05-28

Last modified 2026-07-15

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

Weakness type

CWE-787

CVE-2026-46145 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.2 and later are affected. Fixed in 6.6.141, 6.12.88, 6.18.30, 7.0.7, 7.1 and their respective stable series.

Affected from

≥ 6.2

Fixed in

✓ 6.6.141 6.6.x ✓ 6.12.88 6.12.x ✓ 6.18.30 6.18.x ✓ 7.0.7 7.0.x ✓ 7.1

References

12 total

Kernel Git
https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838

Patch
Kernel Git
https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287

Patch
Kernel Git
https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425

Patch
Kernel Git
https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72

Patch
Kernel Git
https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f

Patch

Showing 5 of 12 references View all on NVD

Details

CVE ID CVE-2026-46145

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-05-28

Modified 2026-07-15

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-46145?

CVE-2026-46145 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 6.2 onward and has been patched in 6.6.141, 6.12.88, 6.18.30 and others. CVE-2026-46145 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46145?

CVE-2026-46145 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-2026-46145?

Yes. CVE-2026-46145 has been patched. Fixed versions include 6.6.141, 6.12.88, 6.18.30 and others. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46145 actively exploited?

No. CVE-2026-46145 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.