PT-2025-40228 · Linux+3 · Linux Kernel+3

Published 2023-02-02 · Updated 2026-02-13 · CVE-2023-53521

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

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

Description A flaw exists in the Linux kernel related to SCSI subsystem session management. Specifically, an out-of-bounds read can occur within the ses intf remove() function when the number of components is zero, leading to a potential kernel crash. The issue arises when accessing members of edev->component[0] when edev->components is zero. This condition can be triggered during module removal.

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

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALSA-2025_16880

BDU:2025-16229

CESA-2023_7077

CVE-2023-53521

OESA-2026-1341

RHSA-2023:6583

RHSA-2023:7077

RHSA-2023_6583

RHSA-2023_7077

RHSA-2024:10772

SUSE-SU-2025:03614-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Centos

Linux Kernel

Red Hat

Suse

References · 1052

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53521.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-53254 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-40018 · Security Note
• https://git.kernel.org/stable/c/0595cdb587726b4f0fa780eb7462e3679d141e82 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-38480 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-40346 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-38572 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-38676 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53594 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-53521 · Security Note
• https://git.kernel.org/stable/c/2fb1fa8425cce2dc4dce298275d22d7077694b73 · Patch
• https://git.kernel.org/stable/c/76f7050537476ac062ec23a544fbca8270f2d08b · Patch
• https://git.kernel.org/stable/c/578797f0c8cbc2e3ec5fc0dab87087b4c7073686 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53521 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-53179 · Security Note