CVE-2024-39499

Advisory lineage Upstream: 0 Downstream: 39
Modified
Published: 12 Jul 2024, 12:20
Last modified:11 May 2026, 20:21

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7.1 HIGH
v3.1 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Jul 2024, 12:20
Published
Vulnerability first disclosed
11 May 2026, 20:21
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1HIGHScore: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Trends

Current EPSS score: 0.01% Percentile: 1%

Techniques & Countermeasures

  • CWE-668Exposure of Resource to Wrong Sphere

    The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

Affected Systems

  • linuxlinux

    ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < 58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81 | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < 681967c4ff210e06380acf9b9a1b33ae06e77cbd | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < f70ff737346744633e7b655c1fb23e1578491ff3 | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < 95ac3e773a1f8da83c4710a720fbfe80055aafae | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < 95bac1c8bedb362374ea1937b1d3e833e01174ee | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < e293c6b38ac9029d76ff0d2a6b2d74131709a9a8 | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < 757804e1c599af5d2a7f864c8e8b2842406ff4bb | ≥ 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a, < 8003f00d895310d409b2bf9ef907c56b42a4e0f4 | 3.9

  • linuxlinux_kernel

    ≥ 3.9, < 4.19.317 | ≥ 4.20, < 5.4.279 | ≥ 5.5, < 5.10.221 | ≥ 5.11, < 5.15.162 | ≥ 5.16, < 6.1.95 | ≥ 6.2, < 6.6.35 | ≥ 6.7, < 6.9.6

References (9)