PT-2026-51909 · Linux+2 · Linux Kernel+2

CVE-2026-53015

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Published

2026-06-24

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Updated

2026-09-07

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 An issue exists in the erofs component where the lcn variable was typed as unsigned long or unsigned int. On 32-bit platforms, this variable is only 32 bits wide, leading to the truncation of the operation (lcn << lclusterbits) at 4 GiB.
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

AZL-90342
CVE-2026-53015
ECHO-ACED-CBEB-D919
OESA-2026-3454
OESA-2026-3455
OPENSUSE-SU-2026:21388-1
SUSE-SU-2026:22742-1
SUSE-SU-2026:22769-1
SUSE-SU-2026:22812-1
SUSE-SU-2026:22835-1
USN-8566-1
USN-8567-1
USN-8568-1
USN-8569-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8593-1
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8603-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8618-1
USN-8619-1
USN-8663-1
USN-8664-1
USN-8665-1
USN-8728-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu