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High 7.3Published May 14, 2026

CVE-2025-54518Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resu…

Updated under an hour ago ()

Does this affect you?

It affects AMD EPYC™ 7002 Series Processors and 19 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

CVSS
7.3 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-1189, CWE-1220
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
AMD
NVD analysis
Awaiting Analysis
Record last updated
Sep 10, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
AMD AMD EPYC™ 7002 Series Processors
amd:epyctm_7002_series_processors (from the name)
os kernel not affected
CNA record
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
amd:ryzentm_4000_series_mobile_processors_with_radeontm_graphics (from the name)
RenoirPI-FP6_1.0.0.Ed not affected
CNA record
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
amd:ryzentm_7020_series_processors_with_radeontm_graphics (from the name)
MendocinoPI-FT6_1.0.0.7f not affected
CNA record
AMD AMD Ryzen™ 3000 Series Desktop Processors
amd:ryzentm_3000_series_desktop_processors (from the name)
ComboAM4v2 1.2.0.10 not affected
CNA record
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
amd:ryzentm_threadrippertm_pro_3000_wx_series_processors (from the name)
ChagallWSPI-sWRX8-1.0.0.D not affected
CNA record
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
amd:ryzentm_7030_series_mobile_processors_with_radeontm_graphics (from the name)
CezannePI-FP6_1.0.1.1d not affected
CNA record
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
amd:ryzentm_5000_series_mobile_processors_with_radeontm_graphics (from the name)
CezannePI-FP6_1.0.1.1d not affected
CNA record
AMD AMD Ryzen™ 4000 Series Desktop Processors
amd:ryzentm_4000_series_desktop_processors (from the name)
ComboAM4v2 1.2.0.10 not affected
CNA record
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
amd:ryzentm_5000_series_desktop_processors_with_radeontm_graphics (from the name)
ComboAM4v2 1.2.0.10 not affected
CNA record
AMD AMD EPYC™ Embedded 7002 Series Processors
amd:epyctm_embedded_7002_series_processors (from the name)
OS kernel not affected
CNA record
AMD AMD Ryzen Embedded V2000A Series Processors
amd:ryzen_embedded_v2000a_series_processors (from the name)
EmbeddedV2KAPI-FP6 1.0.0.A not affected
CNA record
AMD AMD Ryzen™ Embedded V2000 Series Processors
amd:ryzentm_embedded_v2000_series_processors (from the name)
EmbeddedPI-FP6_1.0.0.D not affected
CNA record
Red Hat Red Hat Enterprise Linux 8
redhat:enterprise_linux
from 0:4.18.0-553.153.1.rt7.494.el8_10 not affected
CISA ADP
from 0:4.18.0-305.201.1.el8_4 not affected
CISA ADP
from 0:4.18.0-305.201.1.el8_4 not affected
CISA ADP
from 0:4.18.0-477.159.1.el8_8 not affected
CISA ADP
from 0:4.18.0-477.159.1.el8_8 not affected
CISA ADP
from 0:5.14.0-570.134.1.el9_6 not affected
CISA ADP
from 412.86.202608241157-0 not affected
CISA ADP
Versions not stated
CISA ADP

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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