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7.5High

CVE-2026-19446Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX; IBM PowerVM VIOS Published: (2 months ago)

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker can send a crafted UDP packet to a reachable RPC service, resulting in complete system unavailability and requiring an LPAR restart.

Weakness (CWE): CWE-400

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
IBM AIX 7.2, 7.3
IBM PowerVM VIOS 4.1
ibm vios 4.1.0 – < 4.1.0.50

References and patches

CPE matches (NVD) (7)
  • cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* ≥ 4.1.0 < 4.1.0.50
  • cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* ≥ 4.1.1.0 < 4.1.1.30
  • cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* ≥ 4.1.2.0 < 4.1.2.20
  • cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.2.5 ≤ 7.2.5.212
  • cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.3.2 ≤ 7.3.2.5
  • cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.3.3 ≤ 7.3.3.2
  • cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.3.4 ≤ 7.3.4.1