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CVE-2024-45026

7.0 · HIGH

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fix error recovery leading to data corruption on ESE devices Extent Space Efficient (ESE) or thin provisioned volume…

Published Sep 11, 2024CWE-787EPSS 0.24%

Overview

CVE-2024-45026 is a high-severity vulnerability. It was published on September 11, 2024 and has a CVSS 3.1 base score of 7.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

s390/dasd: fix error recovery leading to data corruption on ESE devices

Extent Space Efficient (ESE) or thin provisioned volumes need to be

formatted on demand during usual IO processing.

The dasd_ese_needs_format function checks for error codes that signal

the non existence of a proper track format.

The check for incorrect length is to imprecise since other error cases

leading to transport of insufficient data also have this flag set.

This might lead to data corruption in certain error cases for example

during a storage server warmstart.

Fix by removing the check for incorrect length and replacing by

explicitly checking for invalid track format in transport mode.

Also remove the check for file protected since this is not a valid

ESE handling case.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0a228896a1b3654cd461ff654f6a64e97a9c3246Refgit.kernel.org/stable/c/19f60a55b2fda49bc4f6134a5f6356ef62ee69d8Refgit.kernel.org/stable/c/5d4a304338daf83ace2887aaacafd66fe99ed5ccRefgit.kernel.org/stable/c/7db4042336580dfd75cb5faa82c12cd51098c90bRefgit.kernel.org/stable/c/93a7e2856951680cd7fe6ebd705ac10c8a8a5efdRefgit.kernel.org/stable/c/a665e3b7ac7d5cdc26e00e3d0fc8fd490e00316aRefgit.kernel.org/stable/c/e245a18281c252c8dbc467492e09bb5d4b012118Reflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-45026?

CVE-2024-45026 is a high-severity vulnerability. It was published on September 11, 2024 and has a CVSS 3.1 base score of 7.0 (HIGH).

How severe is CVE-2024-45026?

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-45026?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-45026?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-45026 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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