CVE-2025-37885 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV8.8OSV3.2
EPSS
0.1%
top 79.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 9
Latest updateMar 25
Description
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, a…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages8 packages
Also affects: Debian Linux 11.0