{"affected":[{"defaultStatus":"unaffected","ecosystem":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/","packageName":"linux","product":"","source":"CNA: redhat","vendor":"","versions":[{"lessThan":"5.15.145","status":"affected","version":"0","versionType":"semvar"},{"lessThan":"6.0.*","status":"affected","version":"6.0.0","versionType":"semvar"},{"lessThan":"6.1.29","status":"affected","version":"6.1.0","versionType":"semvar"},{"lessThan":"6.2.16","status":"affected","version":"6.2.0","versionType":"semvar"},{"lessThan":"6.3.2","status":"affected","version":"6.3.0","versionType":"semvar"}]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 10","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 6","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"unaffected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]}],"cveId":"CVE-2023-32256","cwes":["CWE-421"],"description":"A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.","epss":{"date":"2026-11-06","percentile":0.49634,"score":0.00615},"exploits":[],"kev":null,"metrics":[{"score":7.5,"severity":"high","source":"CNA: redhat","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H","version":"3.1"}],"modifiedAt":1793996557394,"publishedAt":1754069835603,"references":[{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2023-32256"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2385885"},{"source":"CNA: redhat","tags":[],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=abcc506a9a71976a8b4c9bf3ee6efd13229c1e19"},{"source":"CNA: redhat","tags":[],"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-704/"}],"remediation":[],"revision":"3ccc4654d30a8dd7d0359491de4c8b07643abcc4ac926bf7168ef34056acd579","sources":[{"modifiedAt":1793996557394,"name":"CNA: redhat","retrievedAt":1793999299940,"url":"https://www.cve.org/CVERecord?id=CVE-2023-32256"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793999329620,"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-32256"}],"ssvc":{"assessedAt":1754075959939,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Kernel: ksmbd race issue from smb2 close and logoff with multichannel","updatedAt":1793999329620}