Vulnerability in Linux

CVE-2025-38469

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix cleanup logic in emulation of Xen schedop poll hypercalls kvm_xen_schedop_poll does a kmalloc_array() when a VM polls the host for more than one event channel potr (nr_ports > 1). After the kmalloc_array(), the error paths need to go through the "out" label, but the call to kvm_read_guest_virt() does not. [Adjusted commit message. - Paolo]

EPSS: 0.002 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-38469?
CVE-2025-38469 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-07-28.
How severe is CVE-2025-38469?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-38469 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.