CVE-2025-37885

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reset IRTE to host control if *new* route isn't postable Restore an IRTE back to host control (remapped or posted MSI mode) if the *new* GSI route prevents posting the IRQ directly to a vCPU, regardless of the GSI routing type. Updating the IRTE if and only if the new GSI is an MSI results in KVM leaving an IRTE posting to a vCPU. The dangling IRTE can result in interrupts being incorrectly delivered to the guest, and in the worst case scenario can result in use-after-free, e.g. if the VM is torn down, but the und...

Affected product and versions

Product

Linux Linux, linux kernel, debian linux

Affected versions

>= efc644048ecde54f016011fe10110addd0de348f < e5f2dee9f7fcd2ff4b97869f3c66a0d89c167769, >= efc644048ecde54f016011fe10110addd0de348f < 116c7d35b8f72eac383b9fd371d7c1a8ffc2968b, >= efc644048ecde54f016011fe10110addd0de348f < 023816bd5fa46fab94d1e7917fe131b79ed1fb41, >= efc644048ecde54f016011fe10110addd0de348f < 3481fd96d801715942b6f69fe251133128156f30, >= efc644048ecde54f016011fe10110addd0de348f < b5de7ac74f69603ad803c524b840bffd36368fc3, >= efc644048ecde54f016011fe10110addd0de348f < 3066ec21d1a33896125747f68638725f456308db, >= efc644048ecde54f016011fe10110addd0de348f < 9bcac97dc42d2f4da8229d18feb0fe2b1ce523a2, >= 4.4, >= 4.4 < 5.10.237, >= 5.11 < 5.15.181, >= 5.16 < 6.1.136, >= 6.2 < 6.6.89, >= 6.7 < 6.12.26, >= 6.13 < 6.14.5, 6.15, 11.0

Fixed versions

5.10.237, 5.15.181, 6.1.136, 6.6.89, 6.12.26, 6.14.5

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416