CVE-2022-50190

HIGH EPSS 10.9%
Published Jun 18, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: spi: Fix simplification of devm_spi_register_controller This reverts commit 59ebbe40fb51 ("spi: simplify devm_spi_register_controller"). If devm_add_action() fails in devm_add_action_or_reset(), devm_spi_unregister() will be called, it decreases the refcount of 'ctlr->dev' to 0, then it will cause uaf in the drivers that calling spi_put_controller() in error path.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥5.13  –  <5.15.61
linuxlinux_kernel*≥5.16  –  <5.18.18
linuxlinux_kernel*≥5.19  –  <5.19.2

References 4

  • git.kernel.org https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720
    Patch