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CVE-2023-53383

20
FAUCET Score

CVE-2023-53383 is a Linux kernel vulnerability affecting NVIDIA server platforms utilizing more than two T241 chips. It stems from a hardware erratum (T241-FABRIC-4) where simultaneous GIC transactions from different sources can lead to incorrect interleaving and GIC state corruption, potentially causing kernel panics or unexpected behavior. Rated Medium (CVSS 5.5), this vulnerability requires local access (AV:L/AC:L/PR:L) and primarily impacts system availability (A:H). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.30CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.3.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
3.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 21st percentile among its peer group of 15,940 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)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2023-53383Low

kernel: irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4

Sep 18, 2025
microsoft2025-Sep/CVE-2023-53383Moderate

irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4

Sep 9, 2025

References

git.kernel.org / stable/c/35727af2b15d98a2dd2811d631d3a3886111312e
Patch
git.kernel.org / stable/c/867a4f6cf1a8f511c06e131477988b3b3e7a0633
Patch
git.kernel.org / stable/c/86ba4f7b9f949e4c4bcb425f2a1ce490fea30df0
Patch