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CVE-2023-39368

20
FAUCET Score

CVE-2023-39368 describes a protection mechanism failure in the bus lock regulator of certain Intel processors. This vulnerability could allow an unauthenticated attacker to potentially cause a denial of service via network access. With a CVSS score of 6.5 (Medium), it has a low attack complexity and requires no user interaction, but its impact is limited to availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
N/AIntel(R) Processors
See referencesCNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 58th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

denopatch availablevia llm_extracted
View patch
keraspatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: microcode_ctl-4:20230808-2.20240531.1.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: microcode_ctl-4:20240910-1.el9_5
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: microcode_ctl
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: microcode_ctl

Vendor Advisories (3)

denollm-deno-da698aabc15b5d7fHIGH

Intel 2024.1 IPU - BIOS March 2024 Security Updates

Mar 13, 2024
kerasllm-keras-c9027dcf3f6630dcHIGH

Intel 2024.1 IPU - BIOS March 2024 Security Updates

Mar 13, 2024
redhatCVE-2023-39368Moderate

kernel: Possible Denial of Service on Intel(R) Processors

Feb 14, 2024

References

lists.debian.org / debian-lts-announce/2024/05/msg00003.html
security.netapp.com / advisory/ntap-20240405-0007
intel.com / content/www/us/en/security-center/advisory/intel-sa-00972.html