CVE-2024-22254: Out-of-bounds write vulnerability

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-05 · updated 2026-06-17
Weakness: CWE-787

Description

VMware ESXi contains an out-of-bounds write vulnerability. A malicious actor with privileges within the VMX process may trigger an out-of-bounds write leading to an escape of the sandbox.

Affected products

VMware Cloud Foundation: from 4.0 through 5.0
VMware ESXi: 7.0-update_1, 7.0-update_1a, 7.0-update_1b, 7.0-update_1c, 7.0-update_1d, 7.0-update_1e (+26); 7.0, 8.0
Broadcom Vmware Cloud Foundation: 5.0, 4.0
VMware ESXi: from 8.0 before ESXi80U2sb-23305545; from 8.0 before ESXi80U1d-23299997; from 7.0 before ESXi70U3p-23307199 — fixed in ESXi80U2sb-23305545, ESXi80U1d-23299997, ESXi70U3p-23307199
VMware Cloud Foundation: 5.x, 4.x
VMware ESXi: from 8.0 before ESXi80U2sb-23305545; from 8.0 before ESXi80U1d-23299997; from 7.0 before ESXi70U3p-23307199 — fixed in ESXi80U2sb-23305545, ESXi80U1d-23299997, ESXi70U3p-23307199

How to fix

Upgrade to a fixed version: VMware ESXi ESXi80U2sb-23305545, ESXi80U1d-23299997, ESXi70U3p-23307199; VMware ESXi ESXi80U2sb-23305545, ESXi80U1d-23299997, ESXi70U3p-23307199. Check the vendor advisory for mitigations.

References

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