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59.529 CVE
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| Identificativo | Gravità, ordina dal più alto | Prodotto e difetto | EPSS, ordina dal più alto | In KEV dal, ordinato dal più alto |
|---|---|---|---|---|
| CVE-2026-64404 | MED 5.5 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid NULL deref of conn in iso_conn_big_sync() iso_conn_big_sync() drops the socket lock to call hci_get_route() and then re-acquires it, but dereferences iso_pi(sk)->conn-> | 0,1% | — |
| CVE-2026-64403 | HIGH 7.1 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: validate option length before reading conf opt value l2cap_get_conf_opt() derives the option length from the attacker-controlled opt->len field and immediately dereferences | 0,3% | — |
| CVE-2026-64402 | HIGH 7.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: coresight: ultrasoc-smb: Fix OOB write in smb_sync_perf_buffer() When the SMB sink is used as a perf AUX sink, smb_update_buffer() calls smb_sync_perf_buffer() to copy hardware trace data in | 0,1% | — |
| CVE-2026-64401 | HIGH 7.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: resolve SWN tcon from live registrations cifs_swn_notify() looks up a witness registration by id under cifs_swnreg_idr_mutex, drops the mutex, and then uses the registration's c | 0,1% | — |
| CVE-2026-64400 | HIGH 8.6 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent path traversal bypass by restricting caseless retry ksmbd_vfs_path_lookup() enforces LOOKUP_BENEATH to restrict path resolution within the share root. When a crafted path atte | 0,5% | — |
| CVE-2026-64399 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: add permission checks for FSCTL_DUPLICATE_EXTENTS_TO_FILE The FSCTL_DUPLICATE_EXTENTS_TO_FILE arm of smb2_ioctl() overwrites the destination file's data via vfs_clone_file_range() wit | 0,5% | — |
| CVE-2026-64398 | HIGH 8.1 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTL_SET_ZERO_DATA FSCTL_SET_ZERO_DATA in smb2_ioctl() destroys file data via ksmbd_vfs_zero_data() -> vfs_fallocate(PUNCH_HOLE/ZERO_RANGE) after checking | 0,5% | — |
| CVE-2026-64397 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: serialize QUERY_DIRECTORY requests per file smb2_query_dir() stores a pointer to its stack-allocated private data in the ksmbd_file readdir_data. Concurrent QUERY_DIRECTORY requests u | 0,5% | — |
| CVE-2026-64396 | HIGH 8.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation When a blocking byte-range lock request is deferred in the FILE_LOCK_DEFERRED path, ksmbd registers the asynchronou | 0,4% | — |
| CVE-2026-64395 | HIGH 7.5 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: require source read access for duplicate extents FSCTL_DUPLICATE_EXTENTS_TO_FILE passes the source file directly to vfs_clone_file_range() or vfs_copy_file_range() without checking th | 0,4% | — |
| CVE-2026-64394 | HIGH 8.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a WRITE_DAC/WRITE_OWNER check to SMB2 SET_INFO SECURITY commit cc57232cae23 ("ksmbd: fix FSCTL permission bypass by adding a permission check for FSCTL_SET_SPARSE") added a fp->da | 0,5% | — |
| CVE-2026-64393 | CRIT 9.1 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: run set info with opener credentials SMB2 SET_INFO handlers call path-based VFS helpers after checking the access mask granted to the SMB handle. Those helpers perform their owner, in | 0,5% | — |
| CVE-2026-64392 | CRIT 9.1 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for delete-on-close Delete-on-close can be completed by deferred or durable handle teardown, where no request work is available. Both the base-file unlink and t | 0,5% | — |
| CVE-2026-64391 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for ADS I/O Alternate data streams are stored as xattrs. Unlike regular file I/O, their read and write paths therefore call VFS xattr helpers which recheck inod | 0,5% | — |
| CVE-2026-64390 | HIGH 8.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: track the connection owning a byte-range lock SMB2_LOCK adds each granted byte-range lock to both the file lock list and the lock list of the connection which handled the request. Th | 0,5% | — |
| CVE-2026-64389 | HIGH 8.2 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbd_auth_ntlmv2() derives the NTLMv2 session key into sess->sess_key before it verifies the NTLMv2 response. ksmbd_decode_ntlmss | 0,5% | — |
| CVE-2026-64388 | HIGH 7.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb/client: fix chown/chgrp with SMB3 POSIX Extensions Ownership (chown) and group (chgrp) modifications were being ignored when mounting with SMB3 POSIX Extensions unless CIFS_MOUNT_CIFS_AC | 0,1% | — |
| CVE-2026-64387 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_directory_init() fails before the nex | 0,5% | — |
| CVE-2026-64386 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_info_init() fails before the next send, | 0,5% | — |
| CVE-2026-64385 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_ioctl_init() fails before the next send, cl | 0,5% | — |
| CVE-2026-64384 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_notify_init() fails before the next send, cle | 0,5% | — |
| CVE-2026-64383 | CRIT 9.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_flush() replay SMB2_flush() keeps its response buffer bookkeeping across replay attempts. If a replayable flush response is received and the retry then f | 0,5% | — |
| CVE-2026-64382 | HIGH 8.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_open_init() fails before the next send, clea | 0,4% | — |
| CVE-2026-64381 | HIGH 7.8 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receive_encrypted_standard() receive_encrypted_standard() allocates next_buffer before checking whether the number of compound PDUs already reached MAX_C | 0,1% | — |
| CVE-2026-64380 | HIGH 8.2 | linux linux_kernel In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remainin | 0,4% | — |