CVE-2024-46750
kernel: PCI: Add missing bridge lock to pci_bus_lock()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 18, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's PCI subsystem. A local attacker could exploit a missing bridge lock in the pci_bus_lock() function. This vulnerability allows users of pci_reset_bus() to trigger unlocked secondary bus resets, which can lead to a system crash, resulting in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-667 · Improper Locking