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CVE-2023-1652

HIGH
7.1
CVSS Score
Published: March 29, 2023 at 12:00 AM UTC
Updated: October 14, 2026 at 09:17 PM UTC
4 products affected across 3 vendorsLinux KernelEnterprise LinuxSIMATIC S7-1500 TM MFP

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel. This issue could allow a local attacker to crash the system or it may lead to a kernel information leak problem.

Affected

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

Linux Kernel· Linux
95%
5.14 ≤ v < 5.15.915.16 ≤ v < 6.1.96.26.2 rc16.2 rc26.2 rc36.2 rc4
Affected range stops below 5.15.91, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.9, so it looks safe — our inference, not a vendor statement
Enterprise Linux· Red Hatrpm
95%
9.0
Kernel· Red Hat
60%
Kernel 6.2 RC5
SIMATIC S7-1500 TM MFP· Siemens
60%
All versions

Remediation

No guide yet

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

Patch and advisory references

References (3)

Issue TrackingPatchThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/cve-2023-1652
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230511-0006/
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-265688.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.1HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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