CVE-2025-37836: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reference leak in pci_register_host_bridge() If device_register() fails, call put_device() to give up the reference to avoid a memory leak, per the comment at device_register(). Found by code review. [bhelgaas: squash Dan Carpenter's double free fix from https://lore.kernel.org/r/db806a6c-a91b-4e5a-a84b-6b7e01bdac85@stanley.mountain]

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 4.10, before 5.10.237 (fixed in 5.10.237); from 5.11, before 5.15.181 (fixed in 5.15.181); from 5.16, before 6.1.136 (fixed in 6.1.136); from 6.2, before 6.6.89 (fixed in 6.6.89); from 6.7, before 6.12.24 (fixed in 6.12.24); from 6.13, before 6.13.12 (fixed in 6.13.12); …

Published 2025-05-09. Last modified 2026-06-17.