SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26313

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.

MEDIUM 5.5EPSS 0.33%

Does this matter?

Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.

Description

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.33% probability · 26th percentile
CISA KEV
Not listed
Weakness
CWE-208, CWE-203
Affected
xen/xen · arm/cortex-a72 · broadcom/bcm2711 · intel/core i7-10700k · intel/core i7-7700k · intel/core i9-9900k · intel/xeon silver 4214 · debian/debian linux
Source
psirt@amd.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.