PT-2025-36302 · Linux+2 · Linux Kernel+2

Published 2025-05-09 · Updated 2025-09-06 · CVE-2025-39708

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 A null pointer dereference issue was identified in the Linux kernel related to the iris driver. A warning from smatch indicated a potential null pointer dereference within the iris hfi gen2 handle system error API endpoint, where an argument passed to the function could be null. This could lead to a system error. A check was added to validate the argument before accessing its members to resolve the issue.

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

Exploit

Improper Resource Release

NULL Pointer Dereference

Weakness Enumeration

CWE-404

CWE-476

Related Identifiers

BDU:2026-03089

CVE-2025-39708

Affected Products

Astra Linux

Linux Kernel

Iris

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39708.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2025-39708 · Vendor Advisory
• https://git.kernel.org/stable/c/992ddee3c0da5f113ba86892ace467c1ac645538 · Patch
• https://bdu.fstec.ru/vul/2026-03089 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-39708 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-39708 · Security Note
• https://ubuntu.com/security/CVE-2025-39708 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-39708 · Vendor Advisory
• https://git.kernel.org/stable/c/0f837559ccdd275c5a059e6ac4d5034b03409f1d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-39708 · Security Note
• https://osv.dev/vulnerability/CVE-2025-39708 · Vendor Advisory
• https://lore.kernel.org/linux-cve-announce/2025090549-CVE-2025-39708-a174@gregkh · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://t.me/CVEtracker/31796 · Telegram Post
• https://twitter.com/CVEnew/status/1964195447700148515 · Twitter Post