CVE-2024-36315

MEDIUMCVSS 5.7/10EPSS 0.14%

Last modified

CVE-2024-36315 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 4.0
5.7/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.14%

3.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
AMDAMD EPYC™ Series 9004 ProcessorsAll versions
AMDAMD EPYC™Series 4004 ProcessorsAll versions
AMDAMD EPYC™ 8004 Series ProcessorsAll versions
AMDAMD Instinct™ MI300A Series ProcessorsAll versions
AMDAMD Ryzen™ Z1 Series ProcessorsAll versions
AMDAMD Ryzen™ 7040 Series Mobile Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 7045 Series Mobile Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 9000 Series Desktop ProcessorsAll versions
AMDAMD Ryzen™ 7000 Series Desktop ProcessorsAll versions
AMDAMD Ryzen™ 8000 Series Desktop ProcessorsAll versions
AMDAMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael")All versions
AMDAMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix")All versions
AMDAMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")All versions
AMDAMD EPYC™ Embedded 8004 Series ProcessorsAll versions
AMDAMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")All versions
AMDAMD Ryzen™ Embedded 8000 Series ProcessorsAll versions
AMDAMD Ryzen™ Embedded 7000 Series ProcessorsAll versions

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2024-36315?
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.
How severe is CVE-2024-36315?
CVE-2024-36315 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2024-36315?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST