SB2026090554 - Allocation of Resources Without Limits or Throttling in Linux kernel erofs

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Main Vulnerability Database SB2026090554

SB2026090554 - Allocation of Resources Without Limits or Throttling in Linux kernel erofs

Published: September 5, 2026

Security Bulletin ID SB2026090554
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-80892)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource allocation limits in the EROFS LZMA decompression stream pool when mounting an EROFS image. A local user can mount an EROFS image containing LZMA dictionaries to cause a denial of service.

Each LZMA stream can preallocate an image-supplied dictionary of up to 8 MiB.


Remediation

Install update from vendor's website.

References