USN-7874-3: linux-iot Ubuntu

CVSS: UnknownPublished
Published 04-12-2025Last modified 17-10-2026
Open JSON

Vulnerability summary

USN-7874-3 is a vulnerability in linux-iot 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
CVE-2023-52854CVE-2024-35867CVE-2024-50061CVE-2024-56664CVE-2025-21727CVE-2025-37838

Timeline

  1. 04-12-2025
    PublishedVulnerability first disclosed.
  2. 17-10-2026
    Last modifiedVulnerability information updated.

Description

linux-iot vulnerabilities Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this to expose sensitive information from the host OS. (CVE-2025-40300) 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: - HSI subsystem; - I3C subsystem; - SMB network file system; - Padata parallel execution mechanism; - Timer subsystem; - Networking core; (CVE-2023-52854, CVE-2024-35867, CVE-2024-50061, CVE-2024-56664, CVE-2025-21727, CVE-2025-37838, CVE-2025-38352)

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

Ubuntu1 product
  • linux-iot< 5.4.0-1056.59

1 vendor · 1 product

References

9 links