CVE-2023-3567

HIGH
MEDIUM Priority: 0.03 BB Relevance: 39/100
Published: 2023-07-24 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

Weakness Classification (1)

Bug Bounty Relevance

39 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploitation Probability

0.42%
Raw Score 0.004190
Percentile 36.7%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00419
2026-11-12
0.00419
2026-11-10
0.00419
2026-11-09
0.00419
2026-11-08
0.00419
2026-11-07
0.00419
2026-11-06
0.00419

Intelligence Sources

mitre ref →
nvd ref →