What is CVE-2026-46328?

CVE-2026-46328 is a High severity Linux kernel vulnerability with a CVSS score of 7.3 out of 10, affecting Linux kernel versions from 4.10 onward and patched in 5.10.252, 5.15.202, 6.1.165 and others. CVE-2026-46328 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46328?

CVE-2026-46328 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:C/C:N/I:L/A:H.

Is there a patch available for CVE-2026-46328?

Yes, CVE-2026-46328 has been patched. Fixed versions include 5.10.252, 5.15.202, 6.1.165 and others. If you are running Linux kernel 4.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46328 actively exploited?

CVE-2026-46328 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46328

High

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix rlimit for posix cpu timers Posix cpu timers requires an additional step beyond setting the rlimit. Refactor the code so its clear when what code is setting the limit and conditionally update the posix cpu timers when appropriate.

Package Linux Kernel

Published 2026-06-09

Last modified 2026-07-23

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

Changed

Confidentiality

Low

Integrity

Low

Availability

High

Vector string

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

Affected versions

Linux kernel versions 4.10 and later are affected. Fixed in 5.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.14, 6.19.4, 7.0 and their respective stable series.

Affected from

≥ 4.10

Fixed in

✓ 5.10.252 5.10.x ✓ 5.15.202 5.15.x ✓ 6.1.165 6.1.x ✓ 6.6.128 6.6.x ✓ 6.12.75 6.12.x ✓ 6.18.14 6.18.x ✓ 6.19.4 6.19.x ✓ 7.0

References

8 total

Kernel Git
https://git.kernel.org/stable/c/1f736dfe27c857b78f8461cd7c3dd9640be74b37

Patch
Kernel Git
https://git.kernel.org/stable/c/2232d7cd243833ad750cae656d1817fe43744a09

Patch
Kernel Git
https://git.kernel.org/stable/c/28aa93fcfb33b6d580c5df4ae8b6d13fb0e6fcd3

Patch
Kernel Git
https://git.kernel.org/stable/c/57d51d41b90eface809b72e0e009b50546492f1f

Patch
Kernel Git
https://git.kernel.org/stable/c/6ca56813f4a589f536adceb42882855d91fb1125

Patch

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2026-46328

Severity High

CVSS score 7.3 / 10

CVSS version 3.1

Published 2026-06-09

Modified 2026-07-23

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-46328?

CVE-2026-46328 is a High severity Linux kernel vulnerability with a CVSS score of 7.3 out of 10 . It affects Linux kernel versions from 4.10 onward and has been patched in 5.10.252, 5.15.202, 6.1.165 and others. CVE-2026-46328 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-46328?

CVE-2026-46328 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:C/C:N/I:L/A:H.
Is there a patch available for CVE-2026-46328?

Yes. CVE-2026-46328 has been patched. Fixed versions include 5.10.252, 5.15.202, 6.1.165 and others. If you are running Linux kernel 4.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46328 actively exploited?

No. CVE-2026-46328 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.