PT-2025-37887 · Linux+3 · Linux Kernel+3

Published 2023-01-01 · Updated 2026-03-14 · CVE-2023-53282

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 The Linux kernel contains a use-after-free flaw within the lpfc wr object() routine during the sysfs firmware write process. The driver accesses data through a pointer (wr object) after the associated memory has been released back to the mailbox pool, leading to a potential kernel crash. The issue occurs when writing firmware via sysfs. The vulnerability is triggered during the lpfc write firmware.cold() and lpfc sli4 request firmware update() functions.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-02190

CVE-2023-53282

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

SUSE-SU-2025:4135-1

SUSE-SU-2025:4188-1

SUSE-SU-2025:4189-1

SUSE-SU-2025:4315-1

Affected Products

Astra Linux

Debian

Linux Kernel

Suse

References · 1173

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53282.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53282 · Vendor Advisory
• https://git.kernel.org/stable/c/21681b81b9ae548c5dae7ae00d931197a27f480c · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53282 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53282 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4189-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53282 · Security Note
• https://git.kernel.org/stable/c/51ab4eb1a25e73c7fc2ad9026520c4d8369c93cc · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://git.kernel.org/stable/c/8dfefa8f424ab208e552df1bfd008b732f3d0ad1 · Patch
• https://ubuntu.com/security/CVE-2023-53282 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53282 · Security Note
• 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