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CVE-2023-23908

15
FAUCET Score

CVE-2023-23908 describes an improper access control vulnerability in some 3rd Generation Intel Xeon Scalable processors, potentially allowing a privileged local user to disclose information. With a CVSS score of 4.4 (Medium), this vulnerability requires high privileges and local access, leading to a high impact on confidentiality. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 20230808CPE matchmatch criteria
cpe:2.3:o:intel:microcode:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.5
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 70th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

Vendor Patches (4)

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
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: microcode_ctl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: microcode_ctl

Vendor Advisories (1)

redhatCVE-2023-23908Moderate

hw: Intel: 3rd Generation processors may allow information disclosure

Aug 8, 2023

References

lists.debian.org / debian-lts-announce/2023/08/msg00026.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/HKREYYTWUY7ZDNIB2N6H5BUJ3LE5VZPE
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/OL7WI2TJCWSZIQP2RIOLWHOKLM25M44J
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20230824-0003
debian.org / security/2023/dsa-5474
Third Party Advisory
intel.com / content/www/us/en/security-center/advisory/intel-sa-00836.html
Vendor Advisory