CVE-2024-36315
Improper enforcement of the LFENCE serialization property may allow an attacker to bypass...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2024-36315- CVSS 4.0
- 5.7 Medium
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 - Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2024-55576
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.
- Record
EUVD-2024-55576- CVSS 4.0
- 5.7 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-48h8-ccw7-958p
Improper enforcement of the LFENCE serialization property may allow an attacker to bypass...
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.
- Record
GHSA-48h8-ccw7-958p- CVSS 4.0
- 5.7 Medium
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 - Weakness
- CWE-693
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-36315- CVSS 4.0
- 5.7 Medium
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 - Weakness
- CWE-693
- Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2024-36315- CVSS 4.0
- 5.7 Medium
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 - Updated
- 2026-11-02
Affected products
- amd epyc™ 8004 series processors
- amd epyc™ embedded 8004 series processors
- amd epyc™ embedded 9004 series processors (formerly codenamed "bergamo")
- amd epyc™ embedded 9004 series processors (formerly codenamed "genoa")
- amd epyc™ series 9004 processors
- amd epyc™series 4004 processors
- amd instinct™ mi300a series processors
- amd ryzen™ 7000 series desktop processors
- amd ryzen™ 7000 series desktop processors (formerly codenamed "raphael")
- amd ryzen™ 7040 series mobile processors with radeon™ graphics
- amd ryzen™ 7045 series mobile processors with radeon™ graphics
- amd ryzen™ 8000 series desktop processors
Affected packages
| Package | Affected | Fixed |
|---|---|---|
amd64-microcodeUbuntu:14.04:LTS |
All versions, plus listed versions 1.20120910-32.20131007.1+really20130710.13.20180524.1~ubuntu0.14.04.13.20180524.1~ubuntu0.14.04.2+really20130710.13.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1 |
None known |
amd64-microcodeUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.20141028.12.20160316.13.20180524.1~ubuntu0.16.04.13.20180524.1~ubuntu0.16.04.23.20191021.1ubuntu0.16.04.1 Show 4 moreShow less3.20191021.1+really3.20180524.1~ubuntu0.16.04.23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm13.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3 |
None known |
amd64-microcodeUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.20160316.33.20171205.13.20180524.1~ubuntu0.18.04.13.20180524.1~ubuntu0.18.04.23.20191021.1ubuntu0.18.04.2 Show 4 moreShow less3.20191021.1+really3.20181128.1~ubuntu0.18.04.13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm23.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3 |
None known |
amd64-microcodeUbuntu:20.04:LTS |
All versions, plus listed versions 3.20181128.1ubuntu23.20191021.1ubuntu13.20191218.1ubuntu13.20191218.1ubuntu1.13.20191218.1ubuntu1.23.20191218.1ubuntu1.3 |
None known |
amd64-microcodeUbuntu:22.04:LTS |
All versions, plus listed versions 3.20191218.1ubuntu23.20191218.1ubuntu2.13.20191218.1ubuntu2.23.20191218.1ubuntu2.3 |
None known |
amd64-microcodeUbuntu:24.04:LTS |
before 3.20251202.1ubuntu0.24.04.1, plus listed versions 3.20230808.1.1ubuntu13.20231019.1ubuntu13.20231019.1ubuntu23.20231019.1ubuntu2.13.20250311.1ubuntu0.24.04.1 |
3.20251202.1ubuntu0.24.04.1 |
amd64-microcodeUbuntu:25.10 |
before 3.20251202.1ubuntu0.25.10.1, plus listed versions 3.20240820.1ubuntu13.20250311.1ubuntu13.20250708.1ubuntu1 |
3.20251202.1ubuntu0.25.10.1 |
amd64-microcodeUbuntu:26.04:LTS |
before 3.20251202.1ubuntu1, plus listed versions 3.20250708.1ubuntu13.20250708.1ubuntu2 |
3.20251202.1ubuntu1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-36315 is a medium vulnerability (CVSS 5.7) in Amd Epyc™ 8004 Series Processors, published May 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 2nd percentile. Fixed in amd64-microcode 3.20251202.1ubuntu0.24.04.1.