USN-8921-1: linux Ubuntu

CVSS: UnknownPublished
Published 13-10-2026Last modified 13-10-2026

Vulnerability summary

USN-8921-1 is a vulnerability in linux Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 8 · Downstream 0 · Related 8

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 13-10-2026
    Last modifiedVulnerability information updated.

Description

linux, linux-aws, linux-aws-fips, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp, linux-gcp-4.15, linux-gcp-fips, linux-hwe, linux-kvm vulnerabilities Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO drivers; - Network file system (NFS) server daemon; - Overlay file system; (CVE-2024-53194, CVE-2024-53214, CVE-2024-56570, CVE-2024-56779, CVE-2024-57849, CVE-2024-57904, CVE-2024-57929, CVE-2025-21664)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu13 products
  • linux< 4.15.0-261.273
  • linux-aws< 4.15.0-1198.211
  • linux-aws-fips< 4.15.0-2136.142
  • linux-aws-hwe< 4.15.0-1198.211~16.04.1
  • linux-azure< 4.15.0-1208.223~14.04.1

1 vendor · 13 products

References

9 links