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CVE-2024-35997

5.5 · MEDIUM
Published May 20, 2024 linux CWE-667 EPSS 0.18% (7th pctl)

Overview

CVE-2024-35997 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 20, 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:

HID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up

The flag I2C_HID_READ_PENDING is used to serialize I2C operations.

However, this is not necessary, because I2C core already has its own

locking for that.

More importantly, this flag can cause a lock-up: if the flag is set in

i2c_hid_xfer() and an interrupt happens, the interrupt handler

(i2c_hid_irq) will check this flag and return immediately without doing

anything, then the interrupt handler will be invoked again in an

infinite loop.

Since interrupt handler is an RT task, it takes over the CPU and the

flag-clearing task never gets scheduled, thus we have a lock-up.

Delete this unnecessary flag.

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 >= 3.8, < 4.19.313 Affected

References

Ref git.kernel.org/stable/c/0561b65fbd53d3e788c5b0222d9112ca016fd6a1 Ref git.kernel.org/stable/c/21bfca822cfc1e71796124e93b46e0d9fa584401 Ref git.kernel.org/stable/c/29e94f295bad5be59cf4271a93e22cdcf5536722 Ref git.kernel.org/stable/c/418c5575d56410c6e186ab727bf32ae32447d497 Ref git.kernel.org/stable/c/5095b93021b899f54c9355bebf36d78854c33a22 Ref git.kernel.org/stable/c/9c0f59e47a90c54d0153f8ddc0f80d7a36207d0e Ref git.kernel.org/stable/c/b65fb50e04a95eec34a9d1bc138454a98a5578d8 Ref git.kernel.org/stable/c/c448a9fd50f77e8fb9156ff64848aa4295eb3003 Ref git.kernel.org/stable/c/0561b65fbd53d3e788c5b0222d9112ca016fd6a1 Ref git.kernel.org/stable/c/21bfca822cfc1e71796124e93b46e0d9fa584401

Frequently Asked Questions

What is CVE-2024-35997?

CVE-2024-35997 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 20, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-35997?

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-2024-35997?

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-2024-35997?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-35997 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

Autonomous Discovery

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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