PT-2025-38048 · Linux+2 · Linux Kernel+2

Published 2023-01-05 · Updated 2025-10-23 · CVE-2023-53330

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 memory leak was identified in the cfctrl linkup request() function within the caif module of the Linux kernel. Specifically, when the link type is unknown or memory allocation via kzalloc fails, the packet (pkt) is not released, leading to a memory leak.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-03944

CVE-2023-53330

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 873

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53330.json · Exploit
• https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48 · Patch
• https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655 · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53330 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53330 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53330 · Vendor Advisory
• https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53330 · Vendor Advisory
• https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3 · Patch
• https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3716-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory