CVE-2026-89650

CVE-2026-89650 affects the Linux kernel's CephFS client in fs/ceph/mdsmap.c. The function ceph_mdsmap_decode() reads num_export_targets from per-MDS info records and advances the decode cursor by num_export_targets * sizeof(u32) without verifying that enough bytes remain. The upper-bound check is...

EUVD-2026-76562

In the Linux kernel, the following vulnerability has been resolved: ceph: bound numexporttargets array for mds info v2/v3 cephmdsmapdecode in fs/ceph/mdsmap.c reads numexporttargets from each per-mds info record and advances the decode cursor by numexporttargets sizeofu32 without first checking...