PT-2025-21160 · Linux+3 · Linux Kernel+3

Published 2023-07-19 · Updated 2026-02-03 · CVE-2023-53146

Positive Technologies · (AI Summary)

CVSS v3.1

5.5

Medium

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 has been identified in the Linux kernel, specifically in the dw2102 i2c transfer() function. This issue occurs when the msg[i].buf is null and msg[i].len is zero, allowing malicious data to reach the dw2102 i2c transfer function. Without proper sanity checks, accessing msg[i].buf[0] can result in a null pointer dereference. To prevent crashes, a check has been added on msg[i].len.

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

Exploit

NULL Pointer Dereference

Improper Resource Release

Weakness Enumeration

CWE-476

CWE-404

Related Identifiers

BDU:2026-04625

CVE-2023-53146

OESA-2025-1570

OESA-2025-1596

SUSE-SU-2025:01964-1

SUSE-SU-2025:01965-1

SUSE-SU-2025:02000-1

SUSE-SU-2025:02254-1

SUSE-SU-2025:02307-1

SUSE-SU-2025:02333-1

SUSE-SU-2025:02923-1

SUSE-SU-2025:20408-1

SUSE-SU-2025:20413-1

SUSE-SU-2025:20419-1

SUSE-SU-2025:20421-1

SUSE-SU-2025_01964-1

SUSE-SU-2025_01965-1

SUSE-SU-2025_02000-1

SUSE-SU-2025_02254-1

SUSE-SU-2025_02307-1

SUSE-SU-2025_02333-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1649

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53146.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2023-53146 · Vendor Advisory
• https://git.kernel.org/stable/c/ecbe6d011b95c7da59f014f8d26cb7245ed1e11e · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01964-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-3238 · Security Note
• https://git.kernel.org/stable/c/08dfcbd03b2b7f918c4f87c6ff637054e510df74 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-57876 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:20419-1 · Vendor Advisory
• https://git.kernel.org/stable/c/97fdbdb750342cbc204befde976872fedb406ee6 · Patch
• https://git.kernel.org/stable/c/77cbd42d29de9ffc93d5529bab8813cde53af14c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53073 · Security Note
• https://git.kernel.org/stable/c/903566208ae6bb9c0e7e54355ce75bf6cf72485d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-37940 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:20408-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-37858 · Security Note