PT-2024-3842 · Linux+7 · Linux Kernel+7

Paulo Alcantara · Published 2024-04-03 · Updated 2026-05-26 · CVE-2024-35865

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 a potential use-after-free (UAF) in the smb2 is valid oplock break() function. This function is part of the SMB client implementation in the Linux kernel. The vulnerability can be exploited to cause a denial of service. To avoid the UAF, sessions that are being torn down (with a status of SES EXITING) are skipped.

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

Exploit

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

AZL-59566

BDU:2024-04222

CVE-2024-35865

INFSA-2024_9315

RHSA-2024:9315

RHSA-2024_9315

SUSE-SU-2024:2008-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2135-1

SUSE-SU-2024:2190-1

SUSE-SU-2024:2203-1

SUSE-SU-2024:2360-1

SUSE-SU-2024:2381-1

SUSE-SU-2024:2561-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

USN-6893-1

USN-6893-2

USN-6893-3

USN-6918-1

Affected Products

Astra Linux

Debian

Linuxmint

Linux Kernel

Red Hat

Red Os

Suse

Ubuntu

References · 2809

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/35xxx/CVE-2024-35865.json · Exploit
• https://ubuntu.com/security/CVE-2024-35933 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35905 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6893-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35903 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35966 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35977 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-27019 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2381-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6893-3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-27022 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35951 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26991 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-35865 · Security Note
• https://ubuntu.com/security/CVE-2024-26995 · Vendor Advisory