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Vulnerability · Published May 13, 2026 · Assigned by AMD

CVE-2024-36315

Medium 5.7

In plain English

A medium-severity security flaw in AMD EPYC™ 8004 Series Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and potentially disclose sensitive information, potentially resulting in loss of confidentiality.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSamd64-microcodeno fix listedUBUNTU-CVE-2024-36315
Ubuntu:24.04:LTSamd64-microcode3.20251202.1ubuntu0.24.04.1UBUNTU-CVE-2024-36315
Ubuntu:25.10amd64-microcode3.20251202.1ubuntu0.25.10.1UBUNTU-CVE-2024-36315
Ubuntu:26.04:LTSamd64-microcode3.20251202.1ubuntu1UBUNTU-CVE-2024-36315

Affected products (as reported)

VendorProductVersions
AMD AMD EPYC™ Series 9004 Processors see references
AMD AMD EPYC™Series 4004 Processors see references
AMD AMD EPYC™ 8004 Series Processors see references
AMD AMD Instinct™ MI300A Series Processors see references
AMD AMD Ryzen™ Z1 Series Processors see references
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 9000 Series Desktop Processors see references
AMD AMD Ryzen™ 7000 Series Desktop Processors see references
AMD AMD Ryzen™ 8000 Series Desktop Processors see references
AMD AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael") see references
AMD AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix") see references
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") see references
AMD AMD EPYC™ Embedded 8004 Series Processors see references
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") see references
AMD AMD Ryzen™ Embedded 8000 Series Processors see references
AMD AMD Ryzen™ Embedded 7000 Series Processors see references

Weakness: CWE-693 · Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References