What is CVE-2026-46117?

CVE-2026-46117 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 6.8 onward and patched in 6.12.91, 6.18.30, 7.0.7 and others. CVE-2026-46117 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46117?

CVE-2026-46117 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-2026-46117?

Yes, CVE-2026-46117 has been patched. Fixed versions include 6.12.91, 6.18.30, 7.0.7 and others. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46117 actively exploited?

CVE-2026-46117 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46117

High

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() Sashiko points out that the user can specify WQs sharing the same CQ as a part of the uAPI and this will trigger the WARN_ON() then go on to corrupt the kernel. Just reject it outright and fail the QP creation.

Package Linux Kernel

Published 2026-05-28

Last modified 2026-07-21

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-617

CVE-2026-46117 is classified as CWE-617

See CWE-617 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 6.8 and later are affected. Fixed in 6.12.91, 6.18.30, 7.0.7, 7.1 and their respective stable series.

Affected from

≥ 6.8

Fixed in

✓ 6.12.91 6.12.x ✓ 6.18.30 6.18.x ✓ 7.0.7 7.0.x ✓ 7.1

References

11 total

Kernel Git
https://git.kernel.org/stable/c/159f2efabc89d3f931d38f2d35876535d4abf0a3

Patch
Kernel Git
https://git.kernel.org/stable/c/9cc0c6b1ba8cd5c55aef043e1384de0a8b4efa71

Patch
Kernel Git
https://git.kernel.org/stable/c/9ef65af26b2a6738bf15812042e84b3112402d3a

Patch
Kernel Git
https://git.kernel.org/stable/c/db991ba50087ad99fa12a2c483aa3be19671ea73

Patch
Red Hat
https://access.redhat.com/errata/RHSA-2026:27789

Showing 5 of 11 references View all on NVD

Details

CVE ID CVE-2026-46117

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-05-28

Modified 2026-07-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-46117?

CVE-2026-46117 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 6.8 onward and has been patched in 6.12.91, 6.18.30, 7.0.7 and others. CVE-2026-46117 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46117?

CVE-2026-46117 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-2026-46117?

Yes. CVE-2026-46117 has been patched. Fixed versions include 6.12.91, 6.18.30, 7.0.7 and others. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46117 actively exploited?

No. CVE-2026-46117 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.