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CVE-2023-2176

HIGH
7.8
CVSS Score
Published: April 20, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:51 AM UTC
2 products affected across 2 vendorsLinux KernelKernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.0 ≤ v < 6.1.816.2 ≤ v < 6.3
Affected range stops below 6.1.81, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3, so it looks safe — our inference, not a vendor statement
Kernel· Red Hat
60%
Linux 6.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230609-0005/
Mailing ListPatchThird Party Advisory
Source: [email protected]
https://www.spinics.net/lists/linux-rdma/msg114749.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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