CVE-2022-50415

MEDIUM EPSS 4.8%
Published Sep 18, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in start_task() start_task() calls create_singlethread_workqueue() and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: start_task() create_singlethread_workqueue() # failed, led_wq is NULL queue_delayed_work() queue_delayed_work_on() __queue_delayed_work() # warning here, but continue __queue_work() # access wq->flags, null-ptr-deref Check the ret value and return -ENOMEM if it is NULL.

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
4.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥2.6.15  –  <4.9.337
linuxlinux_kernel*≥4.10  –  <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  –  <5.15.87
linuxlinux_kernel*≥5.16  –  <6.0.18
linuxlinux_kernel*≥6.1  –  <6.1.4

References 9

  • git.kernel.org https://git.kernel.org/stable/c/3505c187b86136250b39e62c72a3a70435277af6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/41f563ab3c33698bdfc3403c7c2e6c94e73681e4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5e4500454d75dd249be4695d83afa3ba0724c37e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/67c98fec87ed76b1feb2ae810051afd88dfa9df6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/77f8b628affaec692d83ad8bfa3520db8a0cc493
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ac838c663ba1fd6bff35a817fd89a47ab55e88e0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6db0c32f39684c89c97bc1ba1c9c4249ca09e48
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc6d0f65f22040c6cc8a5ce032bf90252629de50
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3505c187b86136250b39e62c72a3a70435277af6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/41f563ab3c33698bdfc3403c7c2e6c94e73681e4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5e4500454d75dd249be4695d83afa3ba0724c37e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/67c98fec87ed76b1feb2ae810051afd88dfa9df6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/77f8b628affaec692d83ad8bfa3520db8a0cc493
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ac838c663ba1fd6bff35a817fd89a47ab55e88e0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6db0c32f39684c89c97bc1ba1c9c4249ca09e48
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc6d0f65f22040c6cc8a5ce032bf90252629de50
    Patch