CVE-2026-47327

Low

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.

Package Linux Kernel
Published 2026-05-28
Last modified 2026-05-29
CVSS version 3.1
Patch available
Not yet patched

CVSS 3.1 score

3.3

out of 10
Low
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness type

CWE-476

CVE-2026-47327 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.8.0, 6.17.0, 7.0.0 and later are affected. No fixed version recorded yet.

Affected from
≥ 6.8.0 ≥ 6.17.0 ≥ 7.0.0

References

The following references provide additional information about CVE-2026-47327 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2026-47327?

    CVE-2026-47327 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 6.8.0 onward . CVE-2026-47327 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2026-47327?

    CVE-2026-47327 has a CVSS score of 3.3 out of 10, rated Low severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L .

  • Is there a patch available for CVE-2026-47327?

    No patch is currently available for CVE-2026-47327. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2026-47327 actively exploited?

    No — CVE-2026-47327 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is NULL Pointer Dereference (CWE-476)?

    The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →