CVE-2022-50505

MEDIUM EPSS 4.3%
Published Oct 4, 20258mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 4, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix pci device refcount leak in ppr_notifier() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So call it before returning from ppr_notifier() to avoid refcount leak.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.14  –  <4.14.303
linuxlinux_kernel*≥4.15  –  <4.19.270
linuxlinux_kernel*≥4.20  –  <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.86
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 8

  • git.kernel.org https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c
    Patch