USN-4678-1
- Source
- https://ubuntu.com/security/notices/USN-4678-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4678-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-4678-1
- Upstream
- Related
- Published
- 2021-01-06T22:27:04.285429Z
- Modified
- 2025-10-13T04:35:19Z
- Summary
- linux, linux-hwe-5.8, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi vulnerabilities
- Details
-
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)
- References
Affected packages
Ubuntu:20.04:LTS / linux-hwe-5.8
Package
- Name
- linux-hwe-5.8
- Purl
- pkg:deb/ubuntu/linux-hwe-5.8@5.8.0-34.37~20.04.2?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed5.8.0-34.37~20.04.2
Affected versions
5.*
5.8.0-23.24~20.04.1
5.8.0-25.26~20.04.1
5.8.0-28.30~20.04.1
5.8.0-29.31~20.04.1
5.8.0-31.33~20.04.1
5.8.0-33.36~20.04.1
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Database specific
cves_map
{
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"id": "CVE-2020-12912"
},
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2020-29534"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}