CVE-2023-1652: Linux Kernel

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

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 Linux Kernel: from 5.14, before 5.15.91 (fixed in 5.15.91); from 5.16, before 6.1.9 (fixed in 6.1.9); version 6.2 only
  • Red Hat Enterprise Linux: version 9.0 only

Published 2023-03-29. Last modified 2026-06-17.