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CVE-2022-48916

5.5 · MEDIUM
Published Aug 22, 2024 linux EPSS 0.21% (11th pctl)

Overview

CVE-2022-48916 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 22, 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:

iommu/vt-d: Fix double list_add when enabling VMD in scalable mode

When enabling VMD and IOMMU scalable mode, the following kernel panic

call trace/kernel log is shown in Eagle Stream platform (Sapphire Rapids

CPU) during booting:

pci 0000:59:00.5: Adding to iommu group 42

...

vmd 0000:59:00.5: PCI host bridge to bus 10000:80

pci 10000:80:01.0: [8086:352a] type 01 class 0x060400

pci 10000:80:01.0: reg 0x10: [mem 0x00000000-0x0001ffff 64bit]

pci 10000:80:01.0: enabling Extended Tags

pci 10000:80:01.0: PME# supported from D0 D3hot D3cold

pci 10000:80:01.0: DMAR: Setup RID2PASID failed

pci 10000:80:01.0: Failed to add to iommu group 42: -16

pci 10000:80:03.0: [8086:352b] type 01 class 0x060400

pci 10000:80:03.0: reg 0x10: [mem 0x00000000-0x0001ffff 64bit]

pci 10000:80:03.0: enabling Extended Tags

pci 10000:80:03.0: PME# supported from D0 D3hot D3cold

------------[ cut here ]------------

kernel BUG at lib/list_debug.c:2

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 >= 5.12.19, < 5.13 Affected

Frequently Asked Questions

What is CVE-2022-48916?

CVE-2022-48916 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 22, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48916?

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-2022-48916?

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-2022-48916?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-48916 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.