PT-2024-30722 · Linux+1 · Linux Kernel+1

Aristeu Rozanski · Published 2024-07-31 · Updated 2025-10-10 · CVE-2024-43865

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the s390/fpu component of the Linux kernel, where exception handling for the lfpc instruction within the load fpu state() function was removed during a recent code rewrite. This removal caused loading invalid floating point register values to result in an unhandled specification exception. The exception handling has been re-added to prevent this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-703

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

BDU:2026-04068

CVE-2024-43865

INFSA-2024_9315

RHSA-2024:9315

RHSA-2024_9315

Affected Products

Linux Kernel

Red Hat

References · 25

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43865.json · Exploit
• https://git.kernel.org/stable/c/494b14138201f07343e5488db6360c828fcc8cf6 · Patch
• https://osv.dev/vulnerability/CVE-2024-43865 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-43865 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-43865 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-43865 · Vendor Advisory
• https://git.kernel.org/stable/c/4734406c39238cbeafe66f0060084caa3247ff53 · Patch
• https://cve.org/CVERecord?id=CVE-2024-43865 · Security Note
• https://linux.oracle.com/errata/ELSA-2024-9315.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04068 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2024-43865 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-43865 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-43865 · Security Note
• https://t.me/cvenotify/91439 · Telegram Post
• https://twitter.com/CVEnew/status/1826062375977365818 · Twitter Post