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CVE-2023-1652

18
FAUCET Score

CVE-2023-1652 is a use-after-free vulnerability in the NFS filesystem's nfsd4_ssc_setup_dul function within the Linux Kernel, affecting various Linux distributions including Red Hat Enterprise Linux. Rated 7.1 HIGH, a local attacker can exploit this with low complexity to cause a system crash or leak kernel information. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.14, < 5.15.91CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
15.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 49th percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 5.10.177.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 5.10.185.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.107.1-2
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.107.1-2 on CBL Mariner 2.0Fixed in: 5.15.107.1-2
microsoftpatch availablevia msrc
Product: cm1 hyperv-daemons 5.10.177.1-1 on CBL Mariner 1.0Fixed in: 5.10.177.1-1
microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.185.1-1 on CBL Mariner 1.0Fixed in: 5.10.185.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.107.1-2
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 5.10.177.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 5.10.185.1-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-70.136.1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.8.1.el9_3
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-70.136.1.rt21.208.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-284.124.1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-284.124.1.rt14.409.el9_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (3)

microsoft2023-May/CVE-2023-1652

CVE-2023-1652

May 9, 2023
microsoft2023-Mar/CVE-2023-1652Important

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.

Mar 14, 2023
redhatCVE-2023-1652Moderate

Kernel: use-after-free in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c

Jan 12, 2023

References

cert-portal.siemens.com / productcert/html/ssa-265688.html
access.redhat.com / security/cve/cve-2023-1652
Issue TrackingPatchThird Party Advisory
security.netapp.com / advisory/ntap-20230511-0006
Third Party Advisory