5.5
MEDIUM CVSS 3.1
CVE-2023-53449
s390/dasd: Fix potential memleak in dasd_eckd_init()
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.

INFO

Published Date :

Oct. 1, 2025, 12:15 p.m.

Last Modified :

Jan. 16, 2026, 9:25 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53449 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Apply the Linux kernel patch to fix the memory leak in dasd_eckd_init().
  • Apply the Linux kernel patch.
  • Update the Linux kernel.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53449 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53449 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53449 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-53449 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 16, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.173 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.99 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.4.235
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/460e9bed82e49db1b823dcb4e421783854d86c40 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/544a552be0869231799784279d52704c4d314d33 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a50e28d433acf22258f9f34831057387f04ef074 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/aede5230d154b6b237985ec9df7ebbd1dce96810 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ee986d80acdef710a886be404308188ea11000c8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ef3a7ffc0a6f833578bc8d1dcb79d0633c7e4ec3 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 01, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/460e9bed82e49db1b823dcb4e421783854d86c40
    Added Reference https://git.kernel.org/stable/c/544a552be0869231799784279d52704c4d314d33
    Added Reference https://git.kernel.org/stable/c/a50e28d433acf22258f9f34831057387f04ef074
    Added Reference https://git.kernel.org/stable/c/aede5230d154b6b237985ec9df7ebbd1dce96810
    Added Reference https://git.kernel.org/stable/c/ee986d80acdef710a886be404308188ea11000c8
    Added Reference https://git.kernel.org/stable/c/ef3a7ffc0a6f833578bc8d1dcb79d0633c7e4ec3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact