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]

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (4.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-38469: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 92c58965e9656dc6e682a8ffe520fac0fb256d13, 6.2, 0
  • Linux Kernel — versions 6.2, 6.16

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.