What is CVE-2026-45932?

CVE-2026-45932 is a High severity Linux kernel vulnerability with a CVSS score of 7.3 out of 10, affecting Linux kernel versions from 6.6 onward and patched in 6.18.14, 6.19.4 and 7.0. CVE-2026-45932 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-45932?

CVE-2026-45932 has a CVSS score of 7.3 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H.

Is there a patch available for CVE-2026-45932?

Yes, CVE-2026-45932 has been patched. Fixed versions include 6.18.14, 6.19.4 and 7.0. If you are running Linux kernel 6.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-45932 actively exploited?

CVE-2026-45932 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-45932

High

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tcx/netkit detach permissions when prog fd isn't given This commit fixes a security issue where BPF_PROG_DETACH on tcx or netkit devices could be executed by any user when no program fd was provided, bypassing permission checks. The fix adds a capability check for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.

Package Linux Kernel

Published 2026-05-27

Last modified 2026-05-30

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.3

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

High

Vector string

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

Affected versions

Linux kernel versions 6.6 and later are affected. Fixed in 6.18.14, 6.19.4, 7.0 and their respective stable series.

Affected from

≥ 6.6

Fixed in

✓ 6.18.14 6.18.x ✓ 6.19.4 6.19.x ✓ 7.0

References

The following references provide additional information about CVE-2026-45932 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/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131
Patch

Details

CVE ID CVE-2026-45932

Severity High

CVSS score 7.3 / 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-2026-45932?

CVE-2026-45932 is a High severity Linux kernel vulnerability with a CVSS score of 7.3 out of 10 . It affects Linux kernel versions from 6.6 onward and has been patched in 6.18.14, 6.19.4 and 7.0. CVE-2026-45932 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-45932?

CVE-2026-45932 has a CVSS score of 7.3 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:L/I:H/A:H.
Is there a patch available for CVE-2026-45932?

Yes — CVE-2026-45932 has been patched. Fixed versions include 6.18.14, 6.19.4 and 7.0. If you are running Linux kernel 6.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-45932 actively exploited?

No — CVE-2026-45932 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.