CVE-2023-4134

🔶 medium

Summary

A use-after-free vulnerability was found in the cyttsp4_core driver in the Linux kernel. This issue occurs in the device cleanup routine due to a possible rearming of the watchdog_timer from the workqueue. This could allow a local user to crash the system, causing a denial of service.

CVSS Score

5.5

Medium

EPSS Score

0.0

Exploit Probability

Published Date

2024-11-14

First Seen: 2026-01-05

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 32.5% of all 328,009 vulnerabilities in our database.

#221,257

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Nov 14, 2024

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Red Hat would like to thank Duoming Zhou for reporting this issue.

SSVC data provided by CISA

Last Modified 2024-11-18

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE IDs (Weakness Types)

CWE-416

📦 Affected Products 2

Vendor	Product	Status	Affected Versions
linux	linux_kernel	Affected	< 6.5
fedoraproject	fedora	Affected	v38

🔗 References 2

https://access.redhat.com/security/cve/CVE-2023-4134

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2221700

Issue Tracking Patch Third Party Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2025-71313	🔶 medium	5.5	0.1	In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Add missing NULL check for alloc_wor...	2026-06-03
CVE-2025-71314	🔶 medium	5.5	0.1	In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Recover from panthor_gpu_flush_caches(...	2026-06-03
CVE-2026-46244	⛔ critical	9.1	0.4	In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: Fix IPv6 inner_thoff desync ...	2026-06-03
CVE-2026-46245	🔶 medium	5.5	0.1	In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dc_link NULL handling in HPD i...	2026-06-03
CVE-2026-46246	⚠️ high	7.8	0.1	In the Linux kernel, the following vulnerability has been resolved: power: supply: pm8916_lbc: Fix use-after-free for e...	2026-06-03
CVE-2026-46247	🔶 medium	5.5	0.1	In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gfx3d: add parent to parent request map ...	2026-06-03

These CVEs affect the same products