Published Aug 17, 2024Sources checked Nov 11, 2026
5.5MEDIUMCVSS out of 10
What this means
Review the available evidence
CVE-2024-43857 and is rated Medium severity with a CVSS score of 5.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Aug 12, 2026
CBL-Mariner Releases
Vendor-listed releases
6.6.64.2-9
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2024-43857?
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix null reference error when checking end of zone
This patch fixes a potentially null pointer being accessed by is_end_zone_blkaddr() that checks the last block of a zone when f2fs is mounted as a single device.