USN-4385-1

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Source
https://ubuntu.com/security/notices/USN-4385-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-4385-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4385-1
Related
Published
2020-06-09T18:42:32.902238Z
Modified
2020-06-09T18:42:32.902238Z
Summary
intel-microcode vulnerabilities
Details

It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. (CVE-2020-0543)

It was discovered that on some Intel processors, partial data values previously read from a vector register on a physical core may be propagated into unused portions of the store buffer. A local attacker could possible use this to expose sensitive information. (CVE-2020-0548)

It was discovered that on some Intel processors, data from the most recently evicted modified L1 data cache (L1D) line may be propagated into an unused (invalid) L1D fill buffer. A local attacker could possibly use this to expose sensitive information. (CVE-2020-0549)

References

Affected packages

Ubuntu:20.04:LTS / intel-microcode

Package

Name
intel-microcode

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20200609.0ubuntu0.20.04.0

Ecosystem specific

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "intel-microcode": "3.20200609.0ubuntu0.20.04.0"
        }
    ]
}

Ubuntu:Pro:14.04:LTS / intel-microcode

Package

Name
intel-microcode

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20200609.0ubuntu0.14.04.0

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "intel-microcode": "3.20200609.0ubuntu0.14.04.0"
        }
    ]
}

Ubuntu:18.04:LTS / intel-microcode

Package

Name
intel-microcode

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20200609.0ubuntu0.18.04.0

Ecosystem specific

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "intel-microcode": "3.20200609.0ubuntu0.18.04.0"
        }
    ]
}

Ubuntu:16.04:LTS / intel-microcode

Package

Name
intel-microcode

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20200609.0ubuntu0.16.04.0

Ecosystem specific

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "intel-microcode": "3.20200609.0ubuntu0.16.04.0"
        }
    ]
}