USN-4678-1: linux-hwe-5.8 Ubuntu

Published

Published 06-01-2021Last modified 10-02-2026

Vulnerability summary

USN-4678-1 is a vulnerability in linux-hwe-5.8 Ubuntu with no CVSS score yet.

Priority

Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

Not scored

010

No CVSS score recorded

EPSS scoreNot scoredRisk metrics not yet published.

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0 · Related 2

CVE-2020-12912 CVE-2020-29534

Timeline

06-01-2021
PublishedVulnerability first disclosed.
10-02-2026
Last modifiedVulnerability information updated.

Description

linux, linux-hwe-5.8, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi vulnerabilities It was discovered that the AMD Running Average Power Limit (RAPL) driver in the Linux kernel did not properly restrict access to power data. A local attacker could possibly use this to expose sensitive information. (CVE-2020-12912) Jann Horn discovered that the io_uring subsystem in the Linux kernel did not properly perform reference counting in some situations. A local attacker could use this to expose sensitive information or possibly escalate privileges. (CVE-2020-29534)