CVE-2024-39499

HIGH

Linux Kernel - Information Leak via Unsanitized Event Index in VMCI Event Delivery

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.1
EPSS 0.0030
EPSS Percentile 21.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-668
Status published
Products (26)
linux/Kernel 3.9.0 - 4.19.317linux
linux/Kernel 4.20.0 - 5.4.279linux
linux/Kernel 5.11.0 - 5.15.162linux
linux/Kernel 5.16.0 - 6.1.95linux
linux/Kernel 5.5.0 - 5.10.221linux
linux/Kernel 6.2.0 - 6.6.35linux
linux/Kernel 6.7.0 - 6.9.6linux
Linux/Linux < 3.9
Linux/Linux 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a - 58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81
Linux/Linux 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a - 681967c4ff210e06380acf9b9a1b33ae06e77cbd
... and 16 more
Published Jul 12, 2024
Tracked Since Feb 18, 2026