PT-2025-37658 · Linux+3 · Linux Kernel+3

Published 2025-09-15 · Updated 2026-04-14 · CVE-2023-53217

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A regression was introduced during the conversion to proc create single data() in the Linux kernel, causing a segmentation fault when reading a file in /proc/bus/nubus. Specifically, reading data results in a 'Data read fault' and a kernel 'Oops'. The issue stems from the incompatibility between single open(file, nubus proc rsrc show, PDE DATA(inode)) and the original code.

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

Exploit

Related Identifiers

CVE-2023-53217

SUSE-SU-2025:03600-1

SUSE-SU-2025:03634-1

SUSE-SU-2025:20851-1

SUSE-SU-2025:20861-1

SUSE-SU-2025:20870-1

SUSE-SU-2025:20898-1

SUSE-SU-2025:3751-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4141-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1407

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53217.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:4057-1 · Vendor Advisory
• https://git.kernel.org/stable/c/c06edf13f4cf7f9e8ff4bc6f7e951e4f074dc105 · Patch
• https://git.kernel.org/stable/c/a03f2f4bd49030f57849227be9ba38a3eb1edb61 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53217 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53217 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4141-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0e96647cff9224db564a1cee6efccb13dbe11ee2 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53217 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4132-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03600-1 · Vendor Advisory
• https://git.kernel.org/stable/c/67e3b5230cefed1eca470c460a2035f02986cebb · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20851-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53217 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:20861-1 · Vendor Advisory