Threats Tagged 'cve-2026-98821'
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Threats Tagged 'cve-2026-98821'
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A vulnerability in the Linux kernel related to block device polled direct I/O (DIO) with user integrity metadata has been resolved. The issue arises because IOCB_HAS_METADATA leaves iocb->private as a uio_meta, but iocb_bio_iopoll() expects a bio, causing a mismatch. This leads to a general protection fault and kernel crash when io_uring IOPOLL is used with a PI attribute on an integrity device. The fix involves rejecting polled DIO with user metadata and returning -EOPNOTSUPP when HIPRI is combined with user metadata. Join the discussion | GCVE Database | 10/18/2026, 18:32:04 UTC Added: 10/18/2026, 19:40:26 UTC |
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