VulnerabilityModified
CVE-2022-48251
The AES instructions on the ARMv8 platform do not have an algorithm that is "intrinsically resistant" to side-channel attacks.
HIGH 7.5EPSS 0.83%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The AES instructions on the ARMv8 platform do not have an algorithm that is "intrinsically resistant" to side-channel attacks. NOTE: the vendor reportedly offers the position "while power side channel attacks ... are possible, they are not directly caused by or related to the Arm architecture."
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.83% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- arm/cortex-a53 firmware · arm/cortex-a55 firmware · arm/cortex-a57 firmware · arm/cortex-a72 firmware · arm/cortex-a73 firmware · arm/cortex-a75 firmware · arm/cortex-a76 firmware · arm/cortex-a76ae firmware · arm/cortex-a77 firmware · arm/cortex-a78 firmware
- Source
- cve@mitre.org
References
- https://eprint.iacr.org/2022/230Technical Description, Third Party Advisory
- https://eshard.com/posts/sca-attacks-on-armv8Exploit, Third Party Advisory
- https://eprint.iacr.org/2022/230Technical Description, Third Party Advisory
- https://eshard.com/posts/sca-attacks-on-armv8Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.