CVE-2024-39499

HIGH EPSS 21.5%
Published Jul 12, 20241y ago · Modified Jun 17, 20262w ago
7.1 CVSS 3.1
High
Find Similar
Published Jul 12, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
21.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-668

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥3.9  –  <4.19.317
linuxlinux_kernel*≥4.20  –  <5.4.279
linuxlinux_kernel*≥5.5  –  <5.10.221
linuxlinux_kernel*≥5.11  –  <5.15.162
linuxlinux_kernel*≥5.16  –  <6.1.95
linuxlinux_kernel*≥6.2  –  <6.6.35
linuxlinux_kernel*≥6.7  –  <6.9.6

References 9

  • git.kernel.org https://git.kernel.org/stable/c/58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/681967c4ff210e06380acf9b9a1b33ae06e77cbd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/757804e1c599af5d2a7f864c8e8b2842406ff4bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8003f00d895310d409b2bf9ef907c56b42a4e0f4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/95ac3e773a1f8da83c4710a720fbfe80055aafae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/95bac1c8bedb362374ea1937b1d3e833e01174ee
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e293c6b38ac9029d76ff0d2a6b2d74131709a9a8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f70ff737346744633e7b655c1fb23e1578491ff3
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Remediation

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