CVE-2024-38614: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: openrisc: traps: Don't send signals to kernel mode threads OpenRISC exception handling sends signals to user processes on floating point exceptions and trap instructions (for debugging) among others. There is a bug where the trap handling logic may send signals to kernel threads, we should not send these signals to kernel threads, if that happens we treat it as an error. This patch adds conditions to die if the kernel receives these exceptions in kernel mode code.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.4 — 6.6.33
linux	linux_kernel	6.7 — 6.8.12
linux	linux_kernel	6.9 — 6.9.3

References

Advisories & Patches

https://git.kernel.org/stable/c/075c0405b0d7d9fc490609e988a3af0069596538 https://git.kernel.org/stable/c/c0ed9a711e3392d73e857faa031d8d349c0d70db https://git.kernel.org/stable/c/c88cfb5cea5f8f9868ef02cc9ce9183a26dcf20f https://git.kernel.org/stable/c/cea9d0015c140af39477dd5eeb9b20233a45daa9 https://git.kernel.org/stable/c/075c0405b0d7d9fc490609e988a3af0069596538 https://git.kernel.org/stable/c/c0ed9a711e3392d73e857faa031d8d349c0d70db https://git.kernel.org/stable/c/c88cfb5cea5f8f9868ef02cc9ce9183a26dcf20f https://git.kernel.org/stable/c/cea9d0015c140af39477dd5eeb9b20233a45daa9

Frequently Asked Questions

What is CVE-2024-38614? +

In the Linux kernel, the following vulnerability has been resolved: openrisc: traps: Don't send signals to kernel mode threads OpenRISC exception handling sends signals to user processes on floating point exceptions and trap instructions (for debugging) among others. There is a bug where the trap handling logic may send signals to kernel threads, we should not send these signals to kernel threads, if that happens we treat it as an error. This patch adds conditions to die if the kernel receives these exceptions in kernel mode code. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-38614? +

CVE-2024-38614 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-38614? +

CVE-2024-38614 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-38614? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-38614