{"id":"CVE-2023-1652","title":"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","summary":"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.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-416","CWE-416","CWE-416"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.14, < 5.15.91","linux_kernel >= 5.16, < 6.1.9","linux_kernel = 6.2","enterprise_linux = 9.0"],"patched":["linux_kernel 6.1.9"],"published":"2023-03-29","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:14.953","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-1652","references":[{"url":"https://access.redhat.com/security/cve/cve-2023-1652","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20230511-0006/","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/cve-2023-1652","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230511-0006/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00246,"epssPercentile":0.14705,"ingestedAt":"2026-10-14T21:57:04.732Z","slug":"CVE-2023-1652","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `linux_kernel >= 5.14, < 5.15.91`\n- `linux_kernel >= 5.16, < 6.1.9`\n- `linux_kernel = 6.2`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.1.9`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}