PT-2025-18889 · Linux+6 · Linux Kernel+6

Published 2023-03-15 · Updated 2026-02-02 · CVE-2023-53125

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 issue in the Linux kernel has been identified where the packet length retrieved from skb data may be larger than the actual socket buffer length, potentially leading to a leak of kernel memory contents. This occurs when the cloned skb passed up the network stack exceeds the actual length.

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

Exploit

Memory Leak

Buffer Overflow

Weakness Enumeration

CWE-401

CWE-119

CWE-120

Related Identifiers

ALSA-2025:15785

ALSA-2025:16398

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_15008

ALSA-2025_15009

ALSA-2025_15011

ALSA-2025_15785

ALSA-2025_15786

ALSA-2025_16372

ALSA-2025_16373

ALSA-2025_16398

ALSA-2025_16880

ALSA-2025_21917

ALSA-2025_21920

BDU:2026-03858

CESA-2025_15785

CVE-2023-53125

INFSA-2025_15785

INFSA-2025_16398

OESA-2025-1726

RHSA-2025:15785

RHSA-2025:16398

RHSA-2025:17109

RHSA-2025:17161

RHSA-2025:18279

RHSA-2025:18280

RHSA-2025:19222

RHSA-2025_15785

RHSA-2025_16398

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:01983-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_01983-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Almalinux

Astra Linux

Centos

Linux Kernel

Red Hat

Red Os

Suse

References · 705

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53125.json · Exploit
• https://git.kernel.org/stable/c/105db6574281e1e03fcbf87983f4fee111682306 · Patch
• https://osv.dev/vulnerability/ALSA-2025:15785 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49917 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50222 · Security Note
• https://bdu.fstec.ru/vul/2026-03858 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53066 · Security Note
• https://errata.almalinux.org/8/ALSA-2025-15785.html · Vendor Advisory
• https://git.kernel.org/stable/c/4a4de0a68b18485c68ab4f0cfa665b1633c6d277 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50080 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49982 · Security Note
• https://git.kernel.org/stable/c/9fabdd79051a9fe51388df099aff6e4b660fedd2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53053 · Security Note
• https://linux.oracle.com/errata/ELSA-2025-16398.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-38058 · Security Note