BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix potential memleak in dasd_eckd_init() `dasd_reserve_req` is allocated before `dasd_vol_info_req`, and it also needs to be freed before the error returns, just like the other cases in this function.

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Meta Information

Published

2025-10-01

Last Modified

2025-10-02

Generated

2026-07-06

AI Q&A

2025-10-01

EPSS Evaluated

2026-07-05

NVD

CVE-2023-53449

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 5.15.160 (inc) to 5.16 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a potential memory leak in the Linux kernel's s390/dasd subsystem, specifically in the dasd_eckd_init() function. The issue arises because the dasd_reserve_req resource is allocated before dasd_vol_info_req but is not freed properly before an error return, which can lead to memory not being released as expected.

Impact Analysis

The impact of this vulnerability is a potential memory leak in the Linux kernel, which could lead to increased memory usage over time and possibly degrade system performance or stability if the leak occurs repeatedly.

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