CVE-2024-46750 — Improper Locking in Linux

CWE-667 — Improper Locking40 documents9 sources
Severity
5.5MEDIUMNVD
OSV8.8OSV7.1
EPSS
0.0%
top 99.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
LinuxLinux KernelDebian Linux+9 more
Timeline
PublishedSep 18
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: Add missing bridge lock to pci_bus_lock() One of the true positives that the cfg_access_lock lockdep effort identified is this sequence: WARNING: CPU: 14 PID: 1 at drivers/pci/pci.c:4886 pci_bridge_secondary_bus_reset+0x5d/0x70 RIP: 0010:pci_bridge_secondary_bus_reset+0x5d/0x70 Call Trace: ? __warn+0x8c/0x190 ? pci_bridge_secondary_bus_reset+0x5d/0x70 ? report_bug+0x1f8/0x200 ? handle_bug+0x3c/0x70 ? exc_invalid_op+0x18…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages14 packages

▶NVDlinux/linux_kernel4.20 — 5.4.284+6
▶Debianlinux/linux_kernel< 5.10.226-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-200.220+2

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

18
OSV
linux-azure, linux-azure-6.8 vulnerabilities↗2025-01-09
▶
OSV
linux-azure-5.15 vulnerabilities↗2025-01-09
▶
OSV
linux-hwe-6.8 vulnerabilities↗2025-01-06
▶
OSV
linux-gkeop vulnerabilities↗2024-12-12
▶
OSV
linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities↗2024-12-12
▶

📋Vendor Advisories

21
CISA ICS
Siemens Third-Party Components in SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel (GKE) vulnerabilities↗2024-12-12
▶