PT-2025-34980 · Linux+4 · Linux Kernel+4

Published 2024-02-28 · Updated 2026-04-03 · CVE-2024-58240

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description: The Linux kernel contains an issue related to Transport Layer Security (TLS) where asynchronous and non-asynchronous decryption request handling are not sufficiently separated. This can lead to potential issues with reference counting and synchronization. A previous fix (aec7961916f3) addressed a related use-after-free (UAF) condition. A backport for an exploitable UAF was missed for the 6.1.x kernel series for approximately 1.5 years.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

AZL-73914

BDU:2025-15231

CVE-2024-58240

DLA-4328-1

DSA-6009-1

ECHO-8540-8AC9-7B8C

SUSE-SU-2025:03600-1

SUSE-SU-2025:03613-1

SUSE-SU-2025:03614-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03626-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:03634-1

SUSE-SU-2025:20851-1

SUSE-SU-2025:20861-1

SUSE-SU-2025:20870-1

SUSE-SU-2025:20898-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3751-1

SUSE-SU-2025:3761-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4141-1

Affected Products

Astra Linux

Debian

Linux Kernel

Red Os

Suse

References · 2078

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58240.json · Exploit
• 🔥 https://github.com/0xdevil/security-research/tree/CVE-2024-58240/pocs/linux/kernelctf/CVE-2024-58240_cos · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-58240 · Security Note
• https://osv.dev/vulnerability/CVE-2024-58240 · Vendor Advisory
• https://git.kernel.org/stable/c/48905146d11dbf1ddbb2967319016a83976953f5 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-58240 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20898-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-15231 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-58240 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2024-58240 · Vendor Advisory
• https://git.kernel.org/stable/c/999115298017a675d8ddf61414fc7a85c89f1186 · Patch
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20861-1 · Vendor Advisory