Skip to main content

Over 150 LLM Providers · Over 5,300 Models The most extensible AI-powered pentesting platform. Open source. Star on GitHub

CVE-2023-52490

5.5 · MEDIUM
Published Mar 11, 2024 linux CWE-476 EPSS 0.28% (20th pctl)

Overview

CVE-2023-52490 is a medium-severity vulnerability affecting linux linux_kernel. It was published on March 11, 2024 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:

mm: migrate: fix getting incorrect page mapping during page migration

When running stress-ng testing, we found below kernel crash after a few hours:

Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000

pc : dentry_name+0xd8/0x224

lr : pointer+0x22c/0x370

sp : ffff800025f134c0

......

Call trace:

dentry_name+0xd8/0x224

pointer+0x22c/0x370

vsnprintf+0x1ec/0x730

vscnprintf+0x2c/0x60

vprintk_store+0x70/0x234

vprintk_emit+0xe0/0x24c

vprintk_default+0x3c/0x44

vprintk_func+0x84/0x2d0

printk+0x64/0x88

__dump_page+0x52c/0x530

dump_page+0x14/0x20

set_migratetype_isolate+0x110/0x224

start_isolate_page_range+0xc4/0x20c

offline_pages+0x124/0x474

memory_block_offline+0x44/0xf4

memory_subsys_offline+0x3c/0x70

device_offline+0xf0/0x120

......

After analyzing the vmcore, I found this issue is caused by page migration.

The scenario is that, one thread is doing page m

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 >= 6.3, < 6.6.15 Affected

Frequently Asked Questions

What is CVE-2023-52490?

CVE-2023-52490 is a medium-severity vulnerability affecting linux linux_kernel. It was published on March 11, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52490?

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-2023-52490?

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-2023-52490?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-52490 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.