CVE-2024-39499

HIGH
Published Jul 12, 2024 Modified Nov 3, 2025 CWE-668

Description

In the Linux kernel, the following vulnerability has been resolved: vmci: prevent speculation leaks by sanitizing event in event_deliver() Coverity spotted that event_msg is controlled by user-space, event_msg->event_data.event is passed to event_deliver() and used as an index without sanitization. This change ensures that the event index is sanitized to mitigate any possibility of speculative information leaks. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc. Only compile tested, no access to HW.

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CVSS v3.1 Score

7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness Type (CWE)

CWE-668 CWE-668

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81 https://git.kernel.org/stable/c/681967c4ff210e06380acf9b9a1b33ae06e77cbd https://git.kernel.org/stable/c/757804e1c599af5d2a7f864c8e8b2842406ff4bb https://git.kernel.org/stable/c/8003f00d895310d409b2bf9ef907c56b42a4e0f4 https://git.kernel.org/stable/c/95ac3e773a1f8da83c4710a720fbfe80055aafae https://git.kernel.org/stable/c/95bac1c8bedb362374ea1937b1d3e833e01174ee https://git.kernel.org/stable/c/e293c6b38ac9029d76ff0d2a6b2d74131709a9a8 https://git.kernel.org/stable/c/f70ff737346744633e7b655c1fb23e1578491ff3 https://git.kernel.org/stable/c/58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81 https://git.kernel.org/stable/c/681967c4ff210e06380acf9b9a1b33ae06e77cbd https://git.kernel.org/stable/c/757804e1c599af5d2a7f864c8e8b2842406ff4bb https://git.kernel.org/stable/c/8003f00d895310d409b2bf9ef907c56b42a4e0f4 https://git.kernel.org/stable/c/95ac3e773a1f8da83c4710a720fbfe80055aafae https://git.kernel.org/stable/c/95bac1c8bedb362374ea1937b1d3e833e01174ee https://git.kernel.org/stable/c/e293c6b38ac9029d76ff0d2a6b2d74131709a9a8 https://git.kernel.org/stable/c/f70ff737346744633e7b655c1fb23e1578491ff3

Frequently Asked Questions

What is CVE-2024-39499? +
In the Linux kernel, the following vulnerability has been resolved: vmci: prevent speculation leaks by sanitizing event in event_deliver() Coverity spotted that event_msg is controlled by user-space, event_msg->event_data.event is passed to event_deliver() and used as an index without sanitization. This change ensures that the event index is sanitized to mitigate any possibility of speculative information leaks. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc. Only compile tested, no access to HW. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2024-39499? +
CVE-2024-39499 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-39499? +
CVE-2024-39499 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-2024-39499? +
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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