CVE-2022-49894
5.5 · MEDIUMOverview
CVE-2022-49894 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 1, 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:
cxl/region: Fix region HPA ordering validation
Some regions may not have any address space allocated. Skip them when
validating HPA order otherwise a crash like the following may result:
devm_cxl_add_region: cxl_acpi cxl_acpi.0: decoder3.4: created region9
BUG: kernel NULL pointer dereference, address: 0000000000000000
[..]
RIP: 0010:store_targetN+0x655/0x1740 [cxl_core]
[..]
Call Trace:
<TASK>
kernfs_fop_write_iter+0x144/0x200
vfs_write+0x24a/0x4d0
ksys_write+0x69/0xf0
do_syscall_64+0x3a/0x90
store_targetN+0x655/0x1740:
alloc_region_ref at drivers/cxl/core/region.c:676
(inlined by) cxl_port_attach_region at drivers/cxl/core/region.c:850
(inlined by) cxl_region_attach at drivers/cxl/core/region.c:1290
(inlined by) attach_target at drivers/cxl/core/region.c:1410
(inlined by) store_targetN at drivers/cxl/core/region.c:1453
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 | >= 6.0, < 6.0.8 | Affected |
Frequently Asked Questions
What is CVE-2022-49894?
CVE-2022-49894 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2022-49894?
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-2022-49894?
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-2022-49894?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-49894 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related MEDIUM CVEs from 2022
View all →OroPlatform is a PHP Business Application Platform. In affected versions the email template preview
Dell EMC AppSync versions 3.9 to 4.3 contain a clickjacking vulnerability in AppSync. A remote unaut
Select Dell Client Commercial and Consumer platforms contain a pre-boot direct memory access (DMA) v
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Ser
In JetBrains IntelliJ IDEA before 2022.1 local code execution via custom Pandoc path was possible
In JetBrains IntelliJ IDEA before 2022.1 local code execution via HTML descriptions in custom JSON s
In JetBrains IntelliJ IDEA before 2022.1 local code execution via workspace settings was possible
In JetBrains IntelliJ IDEA before 2022.1 local code execution via links in Quick Documentation was p
In JetBrains Rider before 2022.1 local code execution via links in ReSharper Quick Documentation was
All versions of package com.alibaba.oneagent:one-java-agent-plugin are vulnerable to Arbitrary File
Improper Restriction of Rendered UI Layers or Frames in GitHub repository polonel/trudesk prior to 1
Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property t