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Vulnerabilities

Vulnerability · CVE-2024-36311

A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read

Published Feb 10, 2026 · catalog updated Feb 10, 2026 · AMD AMD Ryzen™ 9000HX Series Mobile Processors

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2024-36311. EPSS is 0.14%. Act only if a listed version of AMD AMD Ryzen™ 9000HX Series Mobile Processors is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Advisory link
Affected products
vendor AMD AMD Ryzen™ 9000HX Series Mobile Processors patch: FireRangeFL1PI 1.0.0.0a

A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor AMD AMD Ryzen™ 9000HX Series Mobile Processors patch: FireRangeFL1PI 1.0.0.0apatch: FireRangeFL1PI 1.0.0.0a

How to fix CVE-2024-36311

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2024-36311. EPSS is 0.14%. Act only if a listed version of AMD AMD Ryzen™ 9000HX Series Mobile Processors is installed.

Which versions are affected?

Compare what you have installed with AMD AMD Ryzen™ 9000HX Series Mobile Processors patch: FireRangeFL1PI 1.0.0.0a patch: FireRangeFL1PI 1.0.0.0a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 10, 2026 · EUVD

    Detected

    A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

  2. Feb 10, 2026 · EUVD

    Updated

    A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

Sources

  • CVE.orgVulnerability recordCVE-2024-36311

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-36311

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2024-55411

    A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 3, 2026