What’s Vulnerable › Vulnerabilities

CVE-2023-1652

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-29 · updated 2026-10-14
• Weakness: CWE-416

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 products

• Linux kernel: from 5.14 before 5.15.91; from 5.16 before 6.1.9; 6.2-rc1, 6.2-rc2, 6.2-rc3, 6.2-rc4 — fixed in 5.15.91, 6.1.9
• Red Hat Enterprise Linux: 9.0

How to fix

Upgrade to a fixed version: Linux kernel 5.15.91, 6.1.9. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/security/cve/cve-2023-1652
• https://security.netapp.com/advisory/ntap-20230511-0006/
• https://access.redhat.com/security/cve/cve-2023-1652
• https://security.netapp.com/advisory/ntap-20230511-0006/
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html

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