CVE-2025-37819 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV8.8OSV3.2
EPSS
0.1%
top 76.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 8
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()
With ACPI in place, gicv2m_get_fwnode() is registered with the pci
subsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime
during a PCI host bridge probe. But, the call back is wrongly marked as
__init, causing it to be freed, while being registered with the PCI
subsystem and could trigger:
Unable to handle kernel paging request at virtual address f…
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