6.7Medium
CVE-2026-19783Vulnerabilities in IBM AIX and PowerVM VIOS
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause kernel memory corruption due to insufficient validation. A crafted filesystem image can trigger an out-of-bounds kernel-stack write during directory reads, causing a system crash or potentially enabling privilege escalation.
Weakness (CWE):
CWE-787
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
References and patches
- https://www.ibm.com/support/pages/node/7283858 vendor-advisorypatchPatchVendor Advisory
CPE matches (NVD) (7)
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*≥ 4.1.0 < 4.1.0.50cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*≥ 4.1.1.0 < 4.1.1.30cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*≥ 4.1.2.0 < 4.1.2.20cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*≥ 7.2.5 ≤ 7.2.5.212cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*≥ 7.3.2 ≤ 7.3.2.5cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*≥ 7.3.3 ≤ 7.3.3.2cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*≥ 7.3.4 ≤ 7.3.4.1