PT-2025-28071 · Linux+1 · Linux Kernel+1

Published 2025-07-06 · Updated 2025-07-06 · CVE-2025-38235

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

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

Description: A reference leak issue has been identified in the Linux kernel, specifically in the HID appletb-kbd module. The problem occurs when the appletb kbd probe function attempts to get the backlight device by name, causing the backlight device get by name function to increment the reference count for the device without releasing it. This results in a reference leak. The issue is related to the appletb backlight backlight device.

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

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

BDU:2025-13453

CVE-2025-38235

Affected Products

Astra Linux

Linux Kernel

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38235.json · Exploit
• https://bdu.fstec.ru/vul/2025-13453 · Security Note
• https://git.kernel.org/stable/c/751d5437112a3f387de4ef6d2d1c131068ff7627 · Patch
• https://git.kernel.org/stable/c/4540e41e753a7d69ecd3f5bad51fe620205c3a18 · Patch
• https://cve.org/CVERecord?id=CVE-2025-38235 · Security Note
• https://ubuntu.com/security/CVE-2025-38235 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-38235 · Security Note
• https://osv.dev/vulnerability/CVE-2025-38235 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-38235 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/linus/4540e41e753a7d69ecd3f5bad51fe620205c3a18 · Note
• https://twitter.com/CVEnew/status/1941792445223534783 · Twitter Post