MEDIUM · 6.5

CVE-2026-19653

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to improper handling of memory page table configurations.

Vulnerability Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to improper handling of memory page table configurations.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IbmVios>= 4.1.0, < 4.1.0.50
IbmAix>= 7.2.5, <= 7.2.5.212

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-19653?

CVE-2026-19653 is a vulnerability with a CVSS score of 6.5 (MEDIUM). IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to improper handling of memory page table configurations.

How severe is CVE-2026-19653?

CVE-2026-19653 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-19653?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Vios, Ibm Aix.