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CVE-2022-49110

7.5 · HIGH
Published Feb 26, 2025 linux EPSS 0.60% (46th pctl)

Overview

CVE-2022-49110 is a high-severity vulnerability affecting linux linux_kernel. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

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

netfilter: conntrack: revisit gc autotuning

as of commit 4608fdfc07e1

("netfilter: conntrack: collect all entries in one cycle")

conntrack gc was changed to run every 2 minutes.

On systems where conntrack hash table is set to large value, most evictions

happen from gc worker rather than the packet path due to hash table

distribution.

This causes netlink event overflows when events are collected.

This change collects average expiry of scanned entries and

reschedules to the average remaining value, within 1 to 60 second interval.

To avoid event overflows, reschedule after each bucket and add a

limit for both run time and number of evictions per run.

If more entries have to be evicted, reschedule and restart 1 jiffy

into the future.

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 >= 0, < 5.15.34 Affected

Frequently Asked Questions

What is CVE-2022-49110?

CVE-2022-49110 is a high-severity vulnerability affecting linux linux_kernel. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-49110?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-49110?

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-2022-49110?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-49110 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.