CVE-2026-89496Medium· 5.5▾ SunlitA flaw was found in ocfs2, the Oracle Cluster File System, within the Linux kernel. A local user could exploit this vulnerability by performing a `copy_file_range()` operation within the same filesystem. This can lead to a memory leak, pot…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 5.5
none → medium
Last analysed / modified upstream
0.2% → 0.2%
— → 5.5
none → medium
A flaw was found in ocfs2, the Oracle Cluster File System, within the Linux kernel. A local user could exploit this vulnerability by performing a copy_file_range() operation within the same filesystem. This can lead to a memory leak, potentially causing resource exhaustion and a Denial of Service (DoS) on the system.
kernel: ocfs2: always run deallocs on copy-on-write completion — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-15.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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