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cve[email protected]CVE-2020-12912
HistoryNov 12, 2020 - 8:15 p.m.

CVE-2020-12912

2020-11-1220:15:15
CWE-749
CWE-203
web.nvd.nist.gov
66
2
amd
linux
hwmon
vulnerability
rapl
side channel attacks
privileged access
cve-2020-12912
nvd

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

5.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.6%

A potential vulnerability in the AMD extension to Linux “hwmon” service may allow an attacker to use the Linux-based Running Average Power Limit (RAPL) interface to show various side channel attacks. In line with industry partners, AMD has updated the RAPL interface to require privileged access.

Affected configurations

NVD
Node
amdenergy_driver_for_linux

CNA Affected

[
  {
    "product": "AMD extension to Linux \"hwmon\" for Zen1 platforms",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Each Linux distro determines its own version."
      }
    ]
  }
]

Social References

More

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

5.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.6%