CVE-2023-52996

MEDIUM

Linux Kernel 4.14-5.4.231 - Information Disclosure via Spectre v1 Gadget in fib_metrics_match

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in fib_metrics_match() if (!type) continue; if (type > RTAX_MAX) return false; ... fi_val = fi->fib_metrics->metrics[type - 1]; @type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 16.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (18)
linux/Kernel 4.14.0 - 5.4.231linux
linux/Kernel 5.11.0 - 5.15.91linux
linux/Kernel 5.16.0 - 6.1.9linux
linux/Kernel 5.5.0 - 5.10.166linux
Linux/Linux < 4.14
Linux/Linux 4.14
Linux/Linux 5.10.166 - 5.10.*
Linux/Linux 5.15.91 - 5.15.*
Linux/Linux 5.4.231 - 5.4.*
Linux/Linux 5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 - 5e9398a26a92fc402d82ce1f97cc67d832527da0
... and 8 more
Published Mar 27, 2025
Tracked Since Feb 18, 2026