CVE-2021-26318
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
12.6%
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| amd | athlon_firmware | - | cpe:2.3:o:amd:athlon_firmware:-:*:*:*:*:*:*:* |
| amd | athlon | - | cpe:2.3:h:amd:athlon:-:*:*:*:*:*:*:* |
| amd | athlon_pro_firmware | - | cpe:2.3:o:amd:athlon_pro_firmware:-:*:*:*:*:*:*:* |
| amd | athlon_pro | - | cpe:2.3:h:amd:athlon_pro:-:*:*:*:*:*:*:* |
| amd | epyc_firmware | - | cpe:2.3:o:amd:epyc_firmware:-:*:*:*:*:*:*:* |
| amd | epyc | - | cpe:2.3:h:amd:epyc:-:*:*:*:*:*:*:* |
| amd | ryzen_firmware | - | cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen | - | cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:* |
| amd | ryzen_pro_firmware | - | cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_pro | - | cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
12.6%