CVE-2026-47328

May 29, 2026, 2:45 a.m.

6.1
Medium

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmalloc()d, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata and could lead to resource exhaustion.

Product(s) Impacted

Vendor Product Versions
Ubuntu
  • Ubuntu Linux
  • 6.8, 6.17, 7.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-590
Free of Memory not on the Heap
The product calls free() on a pointer to memory that was not allocated using associated heap allocation functions such as malloc(), calloc(), or realloc().

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o ubuntu ubuntu_linux 6.8 / / / / / / /
o ubuntu ubuntu_linux 6.17 / / / / / / /
o ubuntu ubuntu_linux 7.0 / / / / / / /

References

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=7f3c4902c39432ce7ea0d384cb70eba282247fac

Tags

[email protected]
CWE-590
2026-05-28
CVE-2026-47328

CVSS Score

6.1 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: LOW
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: May 28, 2026, 7:16 p.m.
Last Modified: May 29, 2026, 2:45 a.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.