PT-2026-43782 · Linux+1 · Linux Kernel+1

CVE-2026-45915

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Published

2026-05-27

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Updated

2026-07-31

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description Corrupted FAT images can cause a directory inode to have an incorrect i nlink value. When the rmdir operation is performed, it unconditionally calls the drop nlink() function, which can reduce i nlink to 0 and trigger a warning. This issue is addressed by implementing sanity checks in the vfat rmdir() and msdos rmdir() functions to ensure the parent link count is only dropped when it is at least 3; otherwise, a filesystem error is reported.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2026-45915
OESA-2026-2674
OESA-2026-2675
OESA-2026-2676
USN-8492-1
USN-8492-2
USN-8492-3
USN-8492-4
USN-8492-5
USN-8497-1
USN-8498-1
USN-8499-1
USN-8575-1
USN-8575-2
USN-8575-3
USN-8576-1
USN-8576-2
USN-8597-1
USN-8606-1
USN-8607-1
USN-8609-1
USN-8610-1
USN-8619-1
USN-8620-1
USN-8620-2
USN-8620-3
USN-8620-4

Affected Products

Linuxmint
Linux Kernel