Dashboard / CVE-2023-4459

CVE-2023-4459

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2023-08-21 Modified: 2026-11-10 First seen: 2026-11-07 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A NULL pointer dereference flaw was found in vmxnet3_rq_cleanup in drivers/net/vmxnet3/vmxnet3_drv.c in the networking sub-component in vmxnet3 in the Linux Kernel. This issue may allow a local attacker with normal user privilege to cause a denial of service due to a missing sanity check during cleanup.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
linux linux_kernel < 5.18
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0

References & Advisories (10)

https://access.redhat.com/errata/RHSA-2024:0412
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1250
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1306
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1367
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1382
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2006
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2008
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2219268
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.25%
Raw Score 0.002490
Percentile 16.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00249
2026-11-12
0.00249
2026-11-10
0.00249
2026-11-09
0.00249
2026-11-08
0.00249
2026-11-07
0.00249
2026-11-06
0.00249

Intelligence Sources

mitre ref →
nvd ref →

External Links