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CVE-2022-50193

5.5 · MEDIUM
Published Jun 18, 2025 linux EPSS 0.21% (11th pctl)

Overview

CVE-2022-50193 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

erofs: wake up all waiters after z_erofs_lzma_head ready

When the user mounts the erofs second times, the decompression thread

may hung. The problem happens due to a sequence of steps like the

following:

1) Task A called z_erofs_load_lzma_config which obtain all of the node

from the z_erofs_lzma_head.

2) At this time, task B called the z_erofs_lzma_decompress and wanted to

get a node. But the z_erofs_lzma_head was empty, the Task B had to

sleep.

3) Task A release nodes and push nodes into the z_erofs_lzma_head. But

task B was still sleeping.

One example report when the hung happens:

task:kworker/u3:1 state:D stack:14384 pid: 86 ppid: 2 flags:0x00004000

Workqueue: erofs_unzipd z_erofs_decompressqueue_work

Call Trace:

<TASK>

__schedule+0x281/0x760

schedule+0x49/0xb0

z_erofs_lzma_decompress+0x4bc/0x580

? cpu_core_flags+0x10/0x10

z_erofs_decompress_pcluster+0x49b/0xba0

? __update_load_avg_se+0x2b0/

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 5.16, < 5.18.18 Affected

Frequently Asked Questions

What is CVE-2022-50193?

CVE-2022-50193 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50193?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50193?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50193?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-50193 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.